UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'swr+4+vZ67q4WbAwo3ISiM05dOAlQM02eVo4aXYSIrI=' 
WHERE 
  key_id = '4092ae0c9f7619729f0e94ab59fbe8e418642c915e0ee1dd3e7b0d01bdf88209' 
  AND (
    token = 'swr+4+vZ67q4WbAwo3ISiM05dOAlQM02eVo4aXYSIrI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )