UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+wQj2hhmXL4sBQFvhyRopseTVf9IwSjtkW9LniGouvo=' 
WHERE 
  key_id = '2c6f80dd27a9bc4d611391e13568477caa45beddfa0f2a705318be69e2cb3299' 
  AND (
    token = '+wQj2hhmXL4sBQFvhyRopseTVf9IwSjtkW9LniGouvo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )