SELECT 
  cscart_store_locations.*, 
  cscart_store_location_descriptions.*, 
  cscart_country_descriptions.country as country_title 
FROM 
  cscart_store_locations 
  LEFT JOIN cscart_country_descriptions ON cscart_store_locations.country = cscart_country_descriptions.code 
  AND cscart_country_descriptions.lang_code = 'ru' 
  LEFT JOIN cscart_store_location_descriptions ON cscart_store_locations.store_location_id = cscart_store_location_descriptions.store_location_id 
  AND cscart_store_location_descriptions.lang_code = 'ru' 
  LEFT JOIN cscart_companies ON cscart_store_locations.company_id = cscart_companies.company_id 
WHERE 
  1 = 1 
  AND 1 = 1 
  AND cscart_store_locations.status = 'A' 
  AND cscart_store_locations.company_id <> 0 
  AND cscart_companies.status = 'A' 
GROUP BY 
  cscart_store_locations.store_location_id 
ORDER BY 
  cscart_store_locations.position asc, 
  cscart_store_location_descriptions.name asc

Query time 0.31363

JSON explain

{
  "query_block": {
    "select_id": 1,
    "filesort": {
      "sort_key": "cscart_store_locations.position, cscart_store_location_descriptions.`name`",
      "temporary_table": {
        "nested_loop": [
          {
            "table": {
              "table_name": "cscart_store_locations",
              "access_type": "ALL",
              "possible_keys": ["status"],
              "rows": 26,
              "filtered": 100,
              "attached_condition": "cscart_store_locations.`status` = 'A' and cscart_store_locations.company_id <> 0"
            }
          },
          {
            "table": {
              "table_name": "cscart_country_descriptions",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "12",
              "used_key_parts": ["code", "lang_code"],
              "ref": ["cscart.cscart_store_locations.country", "const"],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "trigcond(cscart_country_descriptions.lang_code = 'ru')"
            }
          },
          {
            "table": {
              "table_name": "cscart_store_location_descriptions",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "9",
              "used_key_parts": ["store_location_id", "lang_code"],
              "ref": ["cscart.cscart_store_locations.store_location_id", "const"],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "trigcond(cscart_store_location_descriptions.lang_code = 'ru')"
            }
          },
          {
            "table": {
              "table_name": "cscart_companies",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "4",
              "used_key_parts": ["company_id"],
              "ref": ["cscart.cscart_store_locations.company_id"],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "cscart_companies.`status` = 'A'"
            }
          }
        ]
      }
    }
  }
}