UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sxrTZvMo3BPdhC13uoqeNZPxHT8B4g+HYZrZL0KKE8E=' 
WHERE 
  key_id = '8b0a644e6f62342a555134e02325792b98164527102daedaad4859129ffb16f6' 
  AND (
    token = 'sxrTZvMo3BPdhC13uoqeNZPxHT8B4g+HYZrZL0KKE8E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )