You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'in-moraira-schnell-und-zum-besten-preis)' at line 3
SELECT new
FROM news_news_categories
WHERE cat IN (4,23,25,verkaufen-sie-ihre-immobilie-in-moraira-schnell-und-zum-besten-preis)