UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z8O4Nmnm8lLIh+uuepGguikUXubDbpCVI/cGb8SrX7A=' 
WHERE 
  key_id = '6f31ef76fd3464d0174c5097b0dbfff816d9b009a8ef4008f43858a7592dedf3' 
  AND (
    token = 'Z8O4Nmnm8lLIh+uuepGguikUXubDbpCVI/cGb8SrX7A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )