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 'to-rent and session_id = "nqgcq61cc731var2phpdlv7ho0"' at line 1: SELECT * FROM reservas   WHERE propiedad_fk = apartments-to-rent and session_id = "nqgcq61cc731var2phpdlv7ho0"