UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd9+pbg1PdtKJGKnUJh2Oe6ckVq/PXhH1vnrkJXiKmpw=' 
WHERE 
  key_id = 'ec87537638fb1e96d78247a32d5bd32e0c0efd548c82cbe5a63057ef32c40204' 
  AND (
    token = 'd9+pbg1PdtKJGKnUJh2Oe6ckVq/PXhH1vnrkJXiKmpw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )