UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+kj+KhkgPU3nroz9MDEOt6LqKuWKGGaoBw/UzRsDQfw=' 
WHERE 
  key_id = '45e1741a33ceb2e8d282b4c1b904d2670e2f77fd657bdd9eac7c3da8c85b209a' 
  AND (
    token = '+kj+KhkgPU3nroz9MDEOt6LqKuWKGGaoBw/UzRsDQfw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )