UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K7U2TUOCBpmXwNzRGoq85tDuxxWQFIl8Q57zvCZSxes=' 
WHERE 
  key_id = '6920685f7361a4690c6d0b7c63815733b7c55dfb6c18256b1f0a0a9eec841f0a' 
  AND (
    token = 'K7U2TUOCBpmXwNzRGoq85tDuxxWQFIl8Q57zvCZSxes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )