UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NzsjLnFZTYWqAX7wPuxrygimlDpoIofY4yv4upbsBoA=' 
WHERE 
  key_id = 'b635834545b7bf9157191ce12882c5bdf48ac3020c5ad8b426cc06db67bc95a9' 
  AND (
    token = 'NzsjLnFZTYWqAX7wPuxrygimlDpoIofY4yv4upbsBoA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )