UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yRvsPyw3uzQ9KUWfuYnUGkUO2eh10Omvn56eQtJrJ/E=' 
WHERE 
  key_id = 'b15047f0c1c9dd4f7d9a6f147f954c3a77142d53def3882808333a9a66b520a4' 
  AND (
    token = 'yRvsPyw3uzQ9KUWfuYnUGkUO2eh10Omvn56eQtJrJ/E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )