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 'for-sale and session_id = "71i3gu01h461viei0u9c136n26"' at line 1: SELECT * FROM reservas   WHERE propiedad_fk = villas-for-sale and session_id = "71i3gu01h461viei0u9c136n26"