SELECT 
  cscart_profile_field_values.value_id, 
  cscart_profile_field_descriptions.description 
FROM 
  cscart_profile_field_values 
  LEFT JOIN cscart_profile_field_descriptions ON cscart_profile_field_values.value_id = cscart_profile_field_descriptions.object_id 
WHERE 
  cscart_profile_field_descriptions.lang_code = 'en' 
  AND cscart_profile_field_descriptions.object_type = 'V' 
  AND cscart_profile_field_values.field_id = 62

Query time 0.00049

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "27.24"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_profile_field_values",
          "access_type": "ALL",
          "possible_keys": [
            "PRIMARY"
          ],
          "rows_examined_per_scan": 82,
          "rows_produced_per_join": 8,
          "filtered": "10.00",
          "cost_info": {
            "read_cost": "15.76",
            "eval_cost": "1.64",
            "prefix_cost": "17.40",
            "data_read_per_join": "131"
          },
          "used_columns": [
            "value_id",
            "field_id"
          ],
          "attached_condition": "(`webmarco`.`cscart_profile_field_values`.`field_id` = 62)"
        }
      },
      {
        "table": {
          "table_name": "cscart_profile_field_descriptions",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "object_id",
            "object_type",
            "lang_code"
          ],
          "key_length": "12",
          "ref": [
            "webmarco.cscart_profile_field_values.value_id",
            "const",
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 8,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "8.20",
            "eval_cost": "1.64",
            "prefix_cost": "27.24",
            "data_read_per_join": "6K"
          },
          "used_columns": [
            "object_id",
            "description",
            "object_type",
            "lang_code"
          ]
        }
      }
    ]
  }
}