UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NokJl3+mZ/6hVhsX/reGoPtGPDNHM/ZU/89eeEpPec0=' 
WHERE 
  key_id = '83a5f1ef0bc4bd865bbeff3663d5e5eca46747bf1c4eb603ffe30524565f6c9b' 
  AND (
    token = 'NokJl3+mZ/6hVhsX/reGoPtGPDNHM/ZU/89eeEpPec0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )