SELECT 
  DISTINCT(ushop_wk_rfq_quote.id) as id, 
  ushop_wk_rfq_quote.cat_id as cat_id, 
  ushop_wk_rfq_quote.validity_date as validity_date, 
  ushop_wk_rfq_quote.pro_id as pro_id, 
  ushop_wk_rfq_quote.pro_name as pro_name, 
  ushop_wk_rfq_quote.part_name as part_name, 
  ushop_wk_rfq_quote.pro_description as pro_description, 
  ushop_wk_rfq_quote.quantity as quantity, 
  ushop_wk_rfq_quote.user_price as user_price, 
  ushop_wk_rfq_quote.note as note, 
  ushop_wk_rfq_quote.user_id as user_id, 
  ushop_wk_rfq_quote.urgent_request as urgent_request, 
  ushop_wk_rfq_quote.service_order_id as service_order_id, 
  ushop_wk_rfq_quote.service_approved as service_approved, 
  ushop_wk_rfq_quote.order_id as order_id, 
  ushop_wk_rfq_quote.image_loc as image_loc, 
  ushop_wk_rfq_quote.promotion_id as promotion_id, 
  ushop_wk_rfq_quote.timestamp as timestamp, 
  ushop_wk_rfq_quote.status as status, 
  ushop_product_descriptions.product as product, 
  ushop_category_descriptions.category as category, 
  ushop_wk_rfq_quote.field_data as field_data, 
  ushop_wk_rfq_quote.city as city, 
  ushop_wk_rfq_quote.country as country, 
  ushop_wk_rfq_quote.state as state, 
  ushop_wk_rfq_quote.vendor_id as vendor_id, 
  ushop_wk_rfq_quote.no_vendor_access as no_vendor_access, 
  ushop_wk_rfq_quote.is_approved as is_approved, 
  ushop_wk_rfq_quote.is_rejected as is_rejected 
FROM 
  ushop_wk_rfq_quote 
  LEFT JOIN ushop_product_descriptions ON ushop_wk_rfq_quote.pro_id = ushop_product_descriptions.product_id 
  AND ushop_product_descriptions.lang_code = 'en' 
  LEFT JOIN ushop_category_descriptions ON ushop_wk_rfq_quote.cat_id = ushop_category_descriptions.category_id 
  AND ushop_category_descriptions.lang_code = 'en' 
  LEFT JOIN ushop_products AS c1_to ON ushop_wk_rfq_quote.pro_id = c1_to.product_id 
  LEFT JOIN ushop_companies ON ushop_wk_rfq_quote.vendor_id = ushop_companies.company_id 
WHERE 
  1 
  AND ushop_wk_rfq_quote.pro_id = 522 
ORDER BY 
  ushop_wk_rfq_quote.id desc

Query time 0.00085

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "2.05"
    },
    "ordering_operation": {
      "using_filesort": false,
      "duplicates_removal": {
        "using_temporary_table": true,
        "using_filesort": false,
        "nested_loop": [
          {
            "table": {
              "table_name": "ushop_wk_rfq_quote",
              "access_type": "index",
              "key": "PRIMARY",
              "used_key_parts": [
                "id"
              ],
              "key_length": "4",
              "rows_examined_per_scan": 4,
              "rows_produced_per_join": 1,
              "filtered": "25.00",
              "backward_index_scan": true,
              "cost_info": {
                "read_cost": "0.55",
                "eval_cost": "0.10",
                "prefix_cost": "0.65",
                "data_read_per_join": "1K"
              },
              "used_columns": [
                "id",
                "cat_id",
                "pro_id",
                "pro_name",
                "part_name",
                "pro_description",
                "image_loc",
                "field_data",
                "city",
                "country",
                "state",
                "quantity",
                "user_price",
                "note",
                "user_id",
                "urgent_request",
                "service_order_id",
                "service_approved",
                "timestamp",
                "validity_date",
                "promotion_id",
                "order_id",
                "vendor_id",
                "is_approved",
                "is_rejected",
                "no_vendor_access",
                "status"
              ],
              "attached_condition": "(`marketplace`.`ushop_wk_rfq_quote`.`pro_id` = 522)"
            }
          },
          {
            "table": {
              "table_name": "ushop_product_descriptions",
              "access_type": "const",
              "possible_keys": [
                "PRIMARY",
                "product_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id",
                "lang_code"
              ],
              "key_length": "9",
              "ref": [
                "const",
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 1,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "0.25",
                "eval_cost": "0.10",
                "prefix_cost": "1.00",
                "data_read_per_join": "6K"
              },
              "used_columns": [
                "product_id",
                "lang_code",
                "product"
              ]
            }
          },
          {
            "table": {
              "table_name": "ushop_category_descriptions",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "category_id",
                "lang_code"
              ],
              "key_length": "9",
              "ref": [
                "marketplace.ushop_wk_rfq_quote.cat_id",
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 1,
              "filtered": "100.00",
              "index_condition": "<if>(is_not_null_compl(ushop_category_descriptions), (`marketplace`.`ushop_wk_rfq_quote`.`cat_id` = `marketplace`.`ushop_category_descriptions`.`category_id`), true)",
              "cost_info": {
                "read_cost": "0.25",
                "eval_cost": "0.10",
                "prefix_cost": "1.35",
                "data_read_per_join": "3K"
              },
              "used_columns": [
                "category_id",
                "lang_code",
                "category"
              ]
            }
          },
          {
            "table": {
              "table_name": "c1_to",
              "access_type": "const",
              "possible_keys": [
                "PRIMARY"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 1,
              "filtered": "100.00",
              "using_index": true,
              "distinct": true,
              "cost_info": {
                "read_cost": "0.25",
                "eval_cost": "0.10",
                "prefix_cost": "1.70",
                "data_read_per_join": "4K"
              },
              "used_columns": [
                "product_id"
              ]
            }
          },
          {
            "table": {
              "table_name": "ushop_companies",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "company_id"
              ],
              "key_length": "4",
              "ref": [
                "marketplace.ushop_wk_rfq_quote.vendor_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 1,
              "filtered": "100.00",
              "using_index": true,
              "distinct": true,
              "cost_info": {
                "read_cost": "0.25",
                "eval_cost": "0.10",
                "prefix_cost": "2.05",
                "data_read_per_join": "6K"
              },
              "used_columns": [
                "company_id"
              ],
              "attached_condition": "<if>(is_not_null_compl(ushop_companies), (`marketplace`.`ushop_wk_rfq_quote`.`vendor_id` = `marketplace`.`ushop_companies`.`company_id`), true)"
            }
          }
        ]
      }
    }
  }
}