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 = "sqt4pcp2dp8n1rd9o1l0l52uo4"' at line 1: SELECT * FROM reservas WHERE propiedad_fk = business-premises-for-sale and session_id = "sqt4pcp2dp8n1rd9o1l0l52uo4"