UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PrKiqwWLFLAvZQYnd+5VqrJvpMKtMrdg/nMMbuzXUUc=' 
WHERE 
  key_id = '6d1a44d498c500b1acbd30e3fed42d9eff565b4e5f6610edc66d360d23e352a4' 
  AND (
    token = 'PrKiqwWLFLAvZQYnd+5VqrJvpMKtMrdg/nMMbuzXUUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )