UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SXbyWnCeyfKoYt/jiEFuj/ebPB3SgAA2THnibvrIQes=' 
WHERE 
  key_id = 'a6503154f8928c51fb48c3603deeb079ce4ae7d13cff56cf266371204975a117' 
  AND (
    token = 'SXbyWnCeyfKoYt/jiEFuj/ebPB3SgAA2THnibvrIQes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )