UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vk9TkjH12C26lrqpMd1oq3MH37mFhnzldT7zmZnps5E=' 
WHERE 
  key_id = '15d0d6cea5ba2e3a3adea767a153a5e7ee79e74ae37a961e5b204b4c8a9e06a7' 
  AND (
    token = 'Vk9TkjH12C26lrqpMd1oq3MH37mFhnzldT7zmZnps5E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )