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 = "4so7o49jn70kt094lctm8m0to5"' at line 1: SELECT * FROM reservas   WHERE propiedad_fk = apartments-for-sale and session_id = "4so7o49jn70kt094lctm8m0to5"