UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yiIO26T2OaqiTJTOYsja5csBZvv81t68uRO6GfTQA2w=' 
WHERE 
  key_id = '8d1d96c88766f2d27763471b70d09b712927dae25fe84461a3e6459f9209cba1' 
  AND (
    token = 'yiIO26T2OaqiTJTOYsja5csBZvv81t68uRO6GfTQA2w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )