AKo Preflop against reraise

[Shes92]

Poker Stars
No Limit Holdem Tournament
Blinds: t15/t30
9 players
Converter

UTG t330 (no reads)
MP1 t1370 (VPIP 15%, PFR 0% after only 20 hands)
Hero t1495

Pre-flop: (9 players) Hero is MP2 with A[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/diamond.gif[/img]
<font color="#cc0000">UTG raises all-in t330</font>, UTG+1 folds, <font color="#cc0000">MP1 raises to t630</font>, Hero ???

What to do, what to do????