SELECT 
  product_id, 
  feature_short_desc 
FROM 
  cscart_ab__short_desc_from_features_values 
WHERE 
  product_id IN (
    8670, 8671, 8675, 8680, 8684, 8687, 8694, 
    8698, 8704, 8705, 8709, 8710, 8719, 
    8720, 8721, 8724
  ) 
  AND lang_code = 'ru' 
  AND storefront_id = 1

Query time 0.00022

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 (8670,8671,8675,8680,8684,8687,8694,8698,8704,8705,8709,8710,8719,8720,8721,8724) and cscart_ab__short_desc_from_features_values.lang_code = 'ru'"
    }
  }
}