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 = "9r9prc5b8tkjn7bs5ftu7cpoi7"' at line 1: SELECT * FROM reservas WHERE propiedad_fk = business-premises-for-sale and session_id = "9r9prc5b8tkjn7bs5ftu7cpoi7"