UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BzewgVk1qxjyMULYtVHDHsAPijyygqSkCq76GT6lIuI=' 
WHERE 
  key_id = 'a4465c17d6b4823a7790dd48d7134d691dafae3497ed037f5466eaa506bb873f' 
  AND (
    token = 'BzewgVk1qxjyMULYtVHDHsAPijyygqSkCq76GT6lIuI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )