UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3Vk0vcxrkk5c8eZnojLLVknuF8gV1tO7FStxtZxWME8=' 
WHERE 
  key_id = '98417f55e1fd3230e378127405a6650dc535e568db8afa607af73287331180cf' 
  AND (
    token = '3Vk0vcxrkk5c8eZnojLLVknuF8gV1tO7FStxtZxWME8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )