UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NoJmI83lL8i8Ydo46lYT9SfL+NAxqD4lJfPnsg+Vg2E=' 
WHERE 
  key_id = '652ce4cdbd863d4a4989ae01efbc1202a37c24c16a8c7404d28cb4520974b847' 
  AND (
    token = 'NoJmI83lL8i8Ydo46lYT9SfL+NAxqD4lJfPnsg+Vg2E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )