UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U8W/XVIVJi9oerHm9d4LXtdz3oT2zwPyIdVT1XAuCIw=' 
WHERE 
  key_id = '6cdf9205993e1c58e23ee0b8f060cc5e55178e8cff8185e71801b76944c972c5' 
  AND (
    token = 'U8W/XVIVJi9oerHm9d4LXtdz3oT2zwPyIdVT1XAuCIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )