press enter,open the door,use your movement to enter the room a little.you can catch the key from a distance,you just need to see it.now,it's time to go out.2 possibilities:use the tbm trick again or just run to the end of the corridor on the left.

two different things can happen: -one terror follows you but if you are quick enough and maximum left she will get stuck in front of the key room.you can even kill her with a level one team. -or even simpler,she stays in the room and the light will become green again after a while.