UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GYR2I/nBcgauoFNgz6LHsSrtC41XvriwNpIqPHpyRGc=' 
WHERE 
  key_id = '68c96ee85710aec2016c47cc48d48a65f29a3d4b6e532bac60a5b11a9b7c600b' 
  AND (
    token = 'GYR2I/nBcgauoFNgz6LHsSrtC41XvriwNpIqPHpyRGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )