UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L0YTScQEINbVT2CGfMM0liJvI9wfa53niy2zLRITYTc=' 
WHERE 
  key_id = 'df6d7c3929b266fa939001cafc3615d603580e6db0827c85fe29a26e8d19d091' 
  AND (
    token = 'L0YTScQEINbVT2CGfMM0liJvI9wfa53niy2zLRITYTc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )