UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sg/TcDxKHTDYNlRjem1sf2Nh2AtUuiokfhuprKFLyM0=' 
WHERE 
  key_id = 'c81423cf75fd061070abe153740d802362e79670899c798099f1dd34dc53f20b' 
  AND (
    token = 'Sg/TcDxKHTDYNlRjem1sf2Nh2AtUuiokfhuprKFLyM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )