Personally I think it will just keep moving on forward, but at smaller and smaller halves, i.e. 15s ahead next time, 7.5s next, 3.75s, so on.. lol
story about it here: http://foreignpolicy.com/2017/01/26/days-into-trumps-presidency-the-doomsday-clock-ticks-30-seconds-closer-to-midnight/?utm_content=buffereb455&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer