UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/Gvkecegm4s3nUUOFI4UqrEslLX+ZFLijL9bTxXDlYk=' 
WHERE 
  key_id = '16a42d64ab63f4949850efe496f936b90c9d48976d0f452ce11d364bd883df3e' 
  AND (
    token = '/Gvkecegm4s3nUUOFI4UqrEslLX+ZFLijL9bTxXDlYk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )