UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uSiXHbhafboqEQMeB7pWfeEvJqW/aEaiOzrn5gFDPS4=' 
WHERE 
  key_id = 'da241af5f2fad9ae22577de27594aca4d907d7aeb1e62f15ebf3d4cee53535a9' 
  AND (
    token = 'uSiXHbhafboqEQMeB7pWfeEvJqW/aEaiOzrn5gFDPS4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )