UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KIXEvXj+dLvms6052IC6MsBkCenMkqUyNk2dtTXq3cI=' 
WHERE 
  key_id = '7eb8cec7f8967f13766fa7f148a219a9222cc98c5c8fdfde5607a2ab8c76690c' 
  AND (
    token = 'KIXEvXj+dLvms6052IC6MsBkCenMkqUyNk2dtTXq3cI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )