SELECT 
  company_id 
FROM 
  ushop_companies 
WHERE 
  1 
  AND company = 'UShop'

Query time 0.00024

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1.26"
    },
    "table": {
      "table_name": "ushop_companies",
      "access_type": "ALL",
      "rows_examined_per_scan": 7,
      "rows_produced_per_join": 0,
      "filtered": "14.29",
      "cost_info": {
        "read_cost": "1.17",
        "eval_cost": "0.10",
        "prefix_cost": "1.27",
        "data_read_per_join": "6K"
      },
      "used_columns": [
        "company_id",
        "company"
      ],
      "attached_condition": "(`marketplace`.`ushop_companies`.`company` = 'UShop')"
    }
  }
}