UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RDfWvI5H7caHi8v35pFJF46fQpN4sGNOf0XD5b/nfdU=' 
WHERE 
  key_id = 'ad6bd0bf503bf44d9281ad874a05756026ff5ad10e75eae6f03cd30907406821' 
  AND (
    token = 'RDfWvI5H7caHi8v35pFJF46fQpN4sGNOf0XD5b/nfdU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )