SELECT 
  *, 
  ushop_product_tabs.status as status, 
  ushop_product_tabs.block_id as block_id, 
  ushop_product_tabs.company_id as company_id, 
  ushop_product_tabs_descriptions.name as name 
FROM 
  ushop_product_tabs 
  LEFT JOIN ushop_product_tabs_descriptions ON ushop_product_tabs.tab_id = ushop_product_tabs_descriptions.tab_id 
  LEFT JOIN ushop_bm_blocks ON ushop_bm_blocks.block_id = ushop_product_tabs.block_id 
WHERE 
  ushop_product_tabs_descriptions.lang_code = 'es' 
ORDER BY 
  position

Query time 0.00210

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "9.20"
    },
    "ordering_operation": {
      "using_temporary_table": true,
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "3.20"
      },
      "nested_loop": [
        {
          "table": {
            "table_name": "ushop_product_tabs_descriptions",
            "access_type": "ALL",
            "possible_keys": [
              "PRIMARY"
            ],
            "rows_examined_per_scan": 32,
            "rows_produced_per_join": 3,
            "filtered": "10.00",
            "cost_info": {
              "read_cost": "3.44",
              "eval_cost": "0.32",
              "prefix_cost": "3.76",
              "data_read_per_join": "3K"
            },
            "used_columns": [
              "tab_id",
              "lang_code",
              "name",
              "ab__smc_show_more",
              "ab__smc_show_less"
            ],
            "attached_condition": "((`marketplace`.`ushop_product_tabs_descriptions`.`lang_code` = 'es') and (`marketplace`.`ushop_product_tabs_descriptions`.`tab_id` is not null))"
          }
        },
        {
          "table": {
            "table_name": "ushop_product_tabs",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "tab_id"
            ],
            "key_length": "3",
            "ref": [
              "marketplace.ushop_product_tabs_descriptions.tab_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 3,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.80",
              "eval_cost": "0.32",
              "prefix_cost": "4.88",
              "data_read_per_join": "3K"
            },
            "used_columns": [
              "tab_id",
              "tab_type",
              "block_id",
              "template",
              "addon",
              "position",
              "status",
              "is_primary",
              "product_ids",
              "company_id",
              "show_in_popup",
              "ab__smc_hide_content",
              "ab__smc_override",
              "ab__smc_height"
            ]
          }
        },
        {
          "table": {
            "table_name": "ushop_bm_blocks",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id"
            ],
            "key_length": "4",
            "ref": [
              "marketplace.ushop_product_tabs.block_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 3,
            "filtered": "100.00",
            "index_condition": "<if>(is_not_null_compl(ushop_bm_blocks), (`marketplace`.`ushop_bm_blocks`.`block_id` = `marketplace`.`ushop_product_tabs`.`block_id`), true)",
            "cost_info": {
              "read_cost": "0.80",
              "eval_cost": "0.32",
              "prefix_cost": "6.00",
              "data_read_per_join": "716"
            },
            "used_columns": [
              "block_id",
              "type",
              "properties",
              "company_id",
              "storefront_id"
            ]
          }
        }
      ]
    }
  }
}

Result

tab_id tab_type block_id template addon position status is_primary product_ids company_id show_in_popup ab__smc_hide_content ab__smc_override ab__smc_height lang_code name ab__smc_show_more ab__smc_show_less type properties storefront_id
21 B 415 0 A N 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Productos relacionados products a:7:{s:8:"template";s:53:"blocks/products/products_native_scroller_advanced.tpl";s:10:"show_price";s:1:"Y";s:17:"enable_quick_view";s:1:"Y";s:15:"thumbnail_width";s:2:"80";s:25:"abt__ut2_thumbnail_height";s:0:"";s:13:"item_quantity";s:1:"3";s:23:"hide_add_to_cart_button";s:1:"Y";} 1
2 T 0 blocks/product_tabs/features.tpl 1 A Y 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Características
13 B 329 2 A N 0 Y a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Medios de pago para este producto html_block a:1:{s:8:"template";s:21:"blocks/html_block.tpl";} 1
1 T 0 blocks/product_tabs/description.tpl 3 A Y 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Descripción
3 T 0 blocks/product_tabs/files.tpl 4 A Y 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Archivos
4 T 0 addons/tags/blocks/product_tabs/tags.tpl tags 5 A Y 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Etiquetas
5 T 0 addons/attachments/blocks/product_tabs/attachments.tpl attachments 6 A Y 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Archivos adjuntos
6 B 62 product_variations 7 A N 0 Y a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Variantes en lista products a:5:{s:8:"template";s:61:"addons/product_variations/blocks/products/variations_list.tpl";s:46:"product_variations.hide_add_to_wishlist_button";s:1:"N";s:23:"hide_add_to_cart_button";s:1:"N";s:36:"product_variations.show_product_code";s:1:"Y";s:44:"product_variations.show_variation_thumbnails";s:1:"Y";} 1
7 B 63 addons/product_bundles/blocks/product_bundles.tpl product_bundles 8 A N 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Paquetes con este producto product_bundles a:1:{s:8:"template";s:49:"addons/product_bundles/blocks/product_bundles.tpl";} 1
15 T 0 addons/cp_auction/blocks/product_tabs/cp_bid_history.tpl cp_auction 9 A Y 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Historial de subasta
12 T 0 addons/ab__video_gallery/blocks/product_tabs/ab__video_gallery.tpl ab__video_gallery 10 A Y 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Galería de vídeos
10 T 0 addons/required_products/blocks/product_tabs/required_products.tpl required_products 11 A Y 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Productos requeridos
8 T 0 addons/discussion/blocks/product_tabs/discussion.tpl discussion 12 A Y 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Comentarios
14 T 0 addons/csc_product_questions/blocks/product_tabs/csc_product_questions.tpl csc_product_questions 13 A Y 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Preguntas
9 T 0 addons/product_reviews/blocks/product_tabs/product_reviews.tpl product_reviews 14 A Y 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Opiniones
11 T 0 addons/ab__deal_of_the_day/blocks/product_tabs/ab__deal_of_the_day.tpl ab__deal_of_the_day 15 A Y 0 N a:3:{s:5:"phone";s:1:"N";s:6:"tablet";s:1:"N";s:7:"desktop";s:1:"Y";} N 250 es Promociones