UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/O8Jf4pEiBgRIvjeMaD+cA8DztWUvzAGqukz94gIoVU=' 
WHERE 
  key_id = '1846b22d8d9c8591f22abb3e4ea29769b1333fcde70050b4b4c66d811834f36f' 
  AND (
    token = '/O8Jf4pEiBgRIvjeMaD+cA8DztWUvzAGqukz94gIoVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )