UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OyyFEkrVETXZqYFWwlGuCFfJ5FE6PU6xbMMheEc8/h0=' 
WHERE 
  key_id = '9a843e43853b460d4bd3d29c4771d7ed17e64d4acb640ad0334f4d3995cfd952' 
  AND (
    token = 'OyyFEkrVETXZqYFWwlGuCFfJ5FE6PU6xbMMheEc8/h0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )