UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mLWAcTr/7o/Gq/3C4UL4rcJzz+emeLN1saEA66Ue9mg=' 
WHERE 
  key_id = '73d941af2f10727ddd575a487dd2f6f1719dd9da12cf8e320aed476ca3f7d273' 
  AND (
    token = 'mLWAcTr/7o/Gq/3C4UL4rcJzz+emeLN1saEA66Ue9mg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )