UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/d75zKlJRqHNNmn/Zy2+qDrYDFSrQWxskaMhYfGYScg=' 
WHERE 
  key_id = 'a02a4b1ae48394440046ed3f02ca9c2c52296191b3439e9fa0d48913c7fcfa0f' 
  AND (
    token = '/d75zKlJRqHNNmn/Zy2+qDrYDFSrQWxskaMhYfGYScg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )