Put down to the occasion, can it ever be bettered? (6,4)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

RECORD TIME (the current best performance  [can it ever be bettered? – I think, ‘probably’ is the answer, most RECORD s are bettered although I accept that the new value will now be known as the ‘ RECORD TIME ‘).  I suppose it’s all a bit like ‘tomorrow never comes’]