$30 - AQs from the button vs. BB shove

[TDouble]

BB is rather donkish, limps a lot, raises infrequently, overbets a lot post flop. I have been aggro, raising 5/7 hands (only once on button steal attempt in which SB called but same BB folded), shoving AI on two of them. Pretty easy call here?

PokerStars No-Limit Hold'em Tourney, Big Blind is t150 (5 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Hero (t2975)
SB (t2210)
BB (t2810)
UTG (t2040)
MP (t3465)

Preflop: Hero is Button with A[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/spade.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to t450</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">BB raises to t2810</font>, Hero?