UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7xV1v+XrldXBxgt8Xsrr8lzxOpAEK1oouvl5YClxomI=' 
WHERE 
  key_id = '3265f834f4a33854b609f39125832f5de0d90174996a9be0a04ea103d1228389' 
  AND (
    token = '7xV1v+XrldXBxgt8Xsrr8lzxOpAEK1oouvl5YClxomI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )