UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P7UDCyKD8SXMskz4Xbd5WEfkadnRZsVzHy3slQB+jE0=' 
WHERE 
  key_id = '9ea9a3944178e4dc6d20d3eb9fa52196d336dae4fe6d210508da659befa731af' 
  AND (
    token = 'P7UDCyKD8SXMskz4Xbd5WEfkadnRZsVzHy3slQB+jE0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )