SELECT 
  product_id, 
  feature_short_desc 
FROM 
  cscart_ab__short_desc_from_features_values 
WHERE 
  product_id IN (
    8987, 8990, 8992, 8993, 8994, 8996, 8997, 
    8999, 9003, 9004, 9005, 9006, 9009, 
    9011, 9020, 9021
  ) 
  AND lang_code = 'ru' 
  AND storefront_id = 1

Query time 0.00025

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": 32,
      "filtered": 100,
      "attached_condition": "cscart_ab__short_desc_from_features_values.storefront_id = 1 and cscart_ab__short_desc_from_features_values.product_id in (8987,8990,8992,8993,8994,8996,8997,8999,9003,9004,9005,9006,9009,9011,9020,9021) and cscart_ab__short_desc_from_features_values.lang_code = 'ru'"
    }
  }
}