SELECT 
  product_id, 
  feature_short_desc 
FROM 
  cscart_ab__short_desc_from_features_values 
WHERE 
  product_id IN (
    8906, 8908, 8909, 8914, 8915, 8919, 8920, 
    8921, 8924, 8927, 8929, 8930, 8932, 
    8934, 8935, 8936
  ) 
  AND lang_code = 'ru' 
  AND storefront_id = 1

Query time 0.00028

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 (8906,8908,8909,8914,8915,8919,8920,8921,8924,8927,8929,8930,8932,8934,8935,8936) and cscart_ab__short_desc_from_features_values.lang_code = 'ru'"
    }
  }
}