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 = "v1l5sjn0isufacbipkh1monn32"' at line 1: SELECT * FROM reservas WHERE propiedad_fk = town-houses-for-sale and session_id = "v1l5sjn0isufacbipkh1monn32"