Evander Kane just beat the clock in the final hour before the NHL lockout, agreeing to terms with the Winnipeg Jets on a six-year, $31.5 million contract.
(idiomatic) To be used or become operational before a deadline or date of expiration.
Judge Randall Thomas dropped a dozen theft charges against Hunt . . . , ruling that the indictment came after a three-year state statute of limitations had run out. One ethics charge—punishable by up to $10,000 and 10 years behind bars—did beat the clock.
(idiomatic) To remain youthful; to live a long, healthy life.
1995 July 16, Phil Davison, "A Very Big Fish Indeed," The Independent (UK) (retrieved 25 Aug 2014):
[T]he man who looked like an ageing rocker trying to beat the clock, was none other than Robert Lee Vesco.