In the film 'Gothika' (which takes place in circa 2003), the principal actress is held in a prison for the criminally insane. The door to her cell is a fortified glass of some sort, and does not require a key to open.
Instead, it has a vault-type of handle. When the handle is rotated clockwise, cables move pins which allow the door to be pushed open. The cell door is secured by rotating the handle in the opposite direction.
All the other areas in the prison use conventional key-lock technology and in fact the principal actress steals a large set of keys to open the various doors in her 'dramatic' escape scene.
In comparison, Hannibal Lector's cell had a Plexiglas front, but the actual door in the rear of the cell was a 'standard' prison door.
Is this type of cell door a purely theatrical device? Or do such cell doors exist in contemporary prisons? Is there any point to them? Other than not having the encumbrance of needing a key?