SELECT 
  destination_id, 
  delivery_time 
FROM 
  cscart_shipping_time_descriptions 
WHERE 
  destination_id IN (1, 13, 14, 9, 10, 11, 12) 
  AND lang_code = 'vi' 
  AND shipping_id = 6

Query time 0.00034

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_shipping_time_descriptions",
      "access_type": "ALL",
      "possible_keys": ["PRIMARY"],
      "rows": 1,
      "filtered": 100,
      "attached_condition": "cscart_shipping_time_descriptions.shipping_id = 6 and cscart_shipping_time_descriptions.destination_id in (1,13,14,9,10,11,12) and cscart_shipping_time_descriptions.lang_code = 'vi'"
    }
  }
}