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 = "dsnff7vr39jerukl0e4g9863n2"' at line 1: SELECT * FROM reservas WHERE propiedad_fk = villas-for-sale and session_id = "dsnff7vr39jerukl0e4g9863n2"