UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kp/xlBSBtCqAa8aIlydZa++vz4uZx2ApVIpyHikmdNw=' 
WHERE 
  key_id = 'b72256ff560d5f49718894078f7677efe8bf2e335a158ab2f6bd188754a74789' 
  AND (
    token = 'Kp/xlBSBtCqAa8aIlydZa++vz4uZx2ApVIpyHikmdNw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )