UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2MlnXGulhhTy6rRczxSXSWQyGArtBeQAKOZJZNH7cFc=' 
WHERE 
  key_id = 'd5927b7d6d73f676978d1702b002eb400445d2d35f848bc2b523821bd3f00676' 
  AND (
    token = '2MlnXGulhhTy6rRczxSXSWQyGArtBeQAKOZJZNH7cFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )