UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hN8A9B0OLlauD74ZLmYjBhF5WrlUuNA69+sqkpKgl18=' 
WHERE 
  key_id = 'cc0bf48e5ad9ac89e13331f0ff32754950b654e28f653d9a960a013836eb9442' 
  AND (
    token = 'hN8A9B0OLlauD74ZLmYjBhF5WrlUuNA69+sqkpKgl18=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )