UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n7v+hhCG7T11qvGcjtzKs7WFGLXtgeTCLnoLO8oi6bU=' 
WHERE 
  key_id = '54751d883bcb613d2522ba9a3966680704c411d265ead6361e15a49f3505b11f' 
  AND (
    token = 'n7v+hhCG7T11qvGcjtzKs7WFGLXtgeTCLnoLO8oi6bU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )