How do I deactivate the bomb?

Hint 1 of 5:

When you walk close to an object or person, real time is restored in your
immediate area.

Hint 2 of 5:

Therefore, when you entered this door the ticking of the bomb continued.

Hint 3 of 5:

If you leave the room at once, time will freeze once again.

Hint 4 of 5:

You can ignore this door completely, or ...

Hint 5 of 5:

You can attempt to use bottled time on the bomb.