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 = "dgkgs621thfp2o692htn2ej2v0"' at line 1: SELECT * FROM reservas WHERE propiedad_fk = apartments-for-sale and session_id = "dgkgs621thfp2o692htn2ej2v0"