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 = "9380qj7hter6fosub8s5t45n36"' at line 1: SELECT * FROM reservas   WHERE propiedad_fk = villas-for-sale and session_id = "9380qj7hter6fosub8s5t45n36"