A Golden key giveaway? And a deal hasn't been posted yet? This is my time to shine! [mischeivous grin]
So yes, here they are:
Steam: WT5TB-XC5ZC-CX3T3-BBT3B-B35WB
Xbox 360: W3KTJ-FZ9CS-XS6BR-K6JJ3-XCFXT
PlayStation 3: WTWBJ-HKZ9C-TCCWB-ZT5JJ-6HRZS
Apparently they should work for a few days. As another note, you just need to redeem this one code, one time. It adds all 5 golden keys right away. Tested the PC code and it worked fine :)
Did this on PS3 last night and worked, I guess, it only shows as one key in shift redemption screen.