UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/2hsnGg2ALLsYM0D6DFN4jneOkTKWoIv7fHqaWwG9eQ=' 
WHERE 
  key_id = '56e7fea054413578164af779e20164088c802bfae60c2544a8018b69d2e58c5e' 
  AND (
    token = '/2hsnGg2ALLsYM0D6DFN4jneOkTKWoIv7fHqaWwG9eQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )