UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kSPU79MlRjJiL5JMDlVl5KIZj5blDvHEt+7zO2ON8VA=' 
WHERE 
  key_id = '40c9443c74dd0e7c3639aa665d8b9f9a77248a474595d1c047f564d9fb043225' 
  AND (
    token = 'kSPU79MlRjJiL5JMDlVl5KIZj5blDvHEt+7zO2ON8VA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )