All other pre-orders they do much faster - usually sending the key more than a day or at least several hours before the release.
I guess the last years' release of instaunlock keys on US date for everyone (including Europeans. Enjoyed it a lot, playing absolutely legit with the denounce-worthy 'Muricans) made 2K more strict with the time release.
BTW if you look at their blog, they said about 2 hours ago that "in a few hours" they'll send Australians keys. Hopefully they hired some 'Murican who thinks Poland is near Australia on the send keys job, so I get the keys with the Aussies (they'll probably instaunlock just like the last time), because if I'll get them around 24 at my time (which is most likely), I'll just be smart, go to sleep, wake up and only then start owning.