I think you misunderstood what happened.
The final version of the game (the one you can play right now) was uploaded 11min before the original deadline. You can also check for yourself on your game page that you cannot upload new versions of your game, because it is currently being reviewed for the game jam.
The date you see at the bottom of the game page is the modification date of the game description & information (as allowed by the rules), not the game itself.