SELECT 
  product_id, 
  feature_short_desc 
FROM 
  cscart_ab__short_desc_from_features_values 
WHERE 
  product_id IN (
    25351, 25352, 25353, 25354, 25355, 25356, 
    25357, 25358, 25359, 25564, 25565, 
    25566, 25567, 25568, 25569, 25570
  ) 
  AND lang_code = 'ko' 
  AND storefront_id = 4

Query time 0.00023

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_ab__short_desc_from_features_values",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "9",
      "used_key_parts": ["product_id", "lang_code"],
      "rows": 16,
      "filtered": 100,
      "attached_condition": "cscart_ab__short_desc_from_features_values.storefront_id = 4 and cscart_ab__short_desc_from_features_values.product_id in (25351,25352,25353,25354,25355,25356,25357,25358,25359,25564,25565,25566,25567,25568,25569,25570) and cscart_ab__short_desc_from_features_values.lang_code = 'ko'"
    }
  }
}