UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'syxiBKWtgyJLUgjWl4Hbt5Mj95LoveB7k6joETwYs/E=' 
WHERE 
  key_id = '55a9ac42b226223d5d8f2be2253d325e19882f2d83241f9fd281fe1362cef6b4' 
  AND (
    token = 'syxiBKWtgyJLUgjWl4Hbt5Mj95LoveB7k6joETwYs/E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )