UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u6uTV4mYaAgipSOw6w0kz3BcePiY089u/AbyM8Nd8kg=' 
WHERE 
  key_id = '4da4196d1e199cde1d79d280688ba415ca1ccf10bcbc470b6af26f8f8ea6e32b' 
  AND (
    token = 'u6uTV4mYaAgipSOw6w0kz3BcePiY089u/AbyM8Nd8kg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )