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 = "9ma7mmn2ucr6m3a5iktesj2dv2"' at line 1: SELECT * FROM reservas   WHERE propiedad_fk = business-premises-for-sale and session_id = "9ma7mmn2ucr6m3a5iktesj2dv2"