UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7SgF6xqw4KUD6pW0yAAsSmQpoeF0PEEnif1RJoeYxy0=' 
WHERE 
  key_id = '67e5f5ed0460fb12d009e752a7cea023521f921286c689a420d9f69308be2798' 
  AND (
    token = '7SgF6xqw4KUD6pW0yAAsSmQpoeF0PEEnif1RJoeYxy0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )