SELECT 
  c.product_id AS cur_product_id, 
  a.*, 
  b.option_name, 
  b.internal_option_name, 
  b.option_text, 
  b.description, 
  b.inner_hint, 
  b.incorrect_message, 
  b.comment 
FROM 
  cscart_product_options as a 
  LEFT JOIN cscart_product_options_descriptions as b ON a.option_id = b.option_id 
  AND b.lang_code = 'vi' 
  LEFT JOIN cscart_product_global_option_links as c ON c.option_id = a.option_id 
WHERE 
  c.product_id IN (
    49398, 49663, 49400, 49399, 49540, 49503, 
    49501, 49502, 49550, 49383, 49541, 
    49543, 49542, 49504, 49547, 49800, 
    49664, 49551, 49666, 49661, 49549, 
    49665, 49604, 49662, 49548, 49785, 
    50235, 50218, 50234, 49788
  ) 
  AND a.product_id = 0 
  AND a.status = 'A' 
ORDER BY 
  a.position

Query time 0.00230

JSON explain

{
  "query_block": {
    "select_id": 1,
    "filesort": {
      "sort_key": "a.position",
      "temporary_table": {
        "nested_loop": [
          {
            "table": {
              "table_name": "c",
              "access_type": "range",
              "possible_keys": ["PRIMARY", "product_id"],
              "key": "product_id",
              "key_length": "3",
              "used_key_parts": ["product_id"],
              "rows": 51,
              "filtered": 100,
              "index_condition": "c.product_id in (49398,49663,49400,49399,49540,49503,49501,49502,49550,49383,49541,49543,49542,49504,49547,49800,49664,49551,49666,49661,49549,49665,49604,49662,49548,49785,50235,50218,50234,49788)"
            }
          },
          {
            "table": {
              "table_name": "a",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY", "c_status"],
              "key": "PRIMARY",
              "key_length": "3",
              "used_key_parts": ["option_id"],
              "ref": ["dev_db.c.option_id"],
              "rows": 1,
              "filtered": 95.83333588,
              "attached_condition": "a.product_id = 0 and a.`status` = 'A'"
            }
          },
          {
            "table": {
              "table_name": "b",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "9",
              "used_key_parts": ["option_id", "lang_code"],
              "ref": ["dev_db.c.option_id", "const"],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "trigcond(b.lang_code = 'vi')"
            }
          }
        ]
      }
    }
  }
}