UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'svwMR5ZyTi9DHTp8Hbe4X71oKMYmGmzLugjz4uZ8ihI=' 
WHERE 
  key_id = '6ce163ed38a7d81b81d101f973fd27afb36fa433c95043fefca427504239a295' 
  AND (
    token = 'svwMR5ZyTi9DHTp8Hbe4X71oKMYmGmzLugjz4uZ8ihI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )