UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RTHcxgML2JhUKCX1n+dLnQ10o/PE42uiU7Uz1/olKD0=' 
WHERE 
  key_id = '7a6cf4a2840298253ae170d28a27988bf61e94837b561bebc03b86c92a0f1bee' 
  AND (
    token = 'RTHcxgML2JhUKCX1n+dLnQ10o/PE42uiU7Uz1/olKD0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )