It all depends mostly on temps and how hot the power vrm gets during peak load. If it is well cooled and this oc isn't 24/7 then it should last two years provided you didn't push the volts any further.
WTF my VDDC says this http://gyazo.com/c4fb05ed84aba2fc153830f7b146b7aa
i didunt even touch it. Thats weird
is that safe like that ?