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 = "2a3e0bf3aef43a1090f0568cd20aa2c7"' at line 1: SELECT * FROM reservas WHERE propiedad_fk = apartments-for-sale and session_id = "2a3e0bf3aef43a1090f0568cd20aa2c7"