UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pUQoSDYCcC5mQcc1TyoNdqXGo1F8bdLibl7QN4MeD/s=' 
WHERE 
  key_id = '878575f50adcd1ae386eb302cefe0ec15d7a2c969f8fdda90bc98d845286f899' 
  AND (
    token = 'pUQoSDYCcC5mQcc1TyoNdqXGo1F8bdLibl7QN4MeD/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )