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 = "hiehe16mal9n8ce9efu3usec17"' at line 1: SELECT * FROM reservas   WHERE propiedad_fk = business-premises-for-sale and session_id = "hiehe16mal9n8ce9efu3usec17"