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 = "cnekl9f8p9v3bgvlb609bn7tr4"' at line 1: SELECT * FROM reservas   WHERE propiedad_fk = business-premises-for-sale and session_id = "cnekl9f8p9v3bgvlb609bn7tr4"