UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rx9lq1WX8wpVW4xBgLqeOiDfEcJ/Hdp8NOBJ2IYwSis=' 
WHERE 
  key_id = '5039f0c532a1e0c2df27f152c61a2d87492276e9598cf0571703d37db0f15167' 
  AND (
    token = 'rx9lq1WX8wpVW4xBgLqeOiDfEcJ/Hdp8NOBJ2IYwSis=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )