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 = "qs7c21e7f2bnvpe9m0hj7gb2s6"' at line 1: SELECT * FROM reservas   WHERE propiedad_fk = business-premises-for-sale and session_id = "qs7c21e7f2bnvpe9m0hj7gb2s6"