UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9nkKJjTrAEI9H6cZWakm993VTb3h84p73I80H56Lmbk=' 
WHERE 
  key_id = 'ab31be417847ea84b2578fcf0e8a4a03013a7bb368f4775e362dc4ea937a6d89' 
  AND (
    token = '9nkKJjTrAEI9H6cZWakm993VTb3h84p73I80H56Lmbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )