SELECT 
  product_id, 
  feature_short_desc 
FROM 
  cscart_ab__short_desc_from_features_values 
WHERE 
  product_id IN (
    8549, 8567, 8577, 8579, 8583, 8586, 8587, 
    8588, 8592, 8597, 8598, 8602, 8603, 
    8605, 8606, 8607
  ) 
  AND lang_code = 'ru' 
  AND storefront_id = 1

Query time 0.00030

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 (8549,8567,8577,8579,8583,8586,8587,8588,8592,8597,8598,8602,8603,8605,8606,8607) and cscart_ab__short_desc_from_features_values.lang_code = 'ru'"
    }
  }
}