UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/2YMjUjByNTDVgpksmsY8kkdhKlj+hK5DUd2TjYFexE=' 
WHERE 
  key_id = '2a343630cd861408aa97dfe636e7b12fa31e337aca3be7ffad4ddc23e4c47124' 
  AND (
    token = '/2YMjUjByNTDVgpksmsY8kkdhKlj+hK5DUd2TjYFexE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )