UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+GZdNaQD5ghz5uMOnZpPdXIYET2f5itOiay5ks91P+c=' 
WHERE 
  key_id = '70138d59907792332baf9f5c147bfb2b2ddb4cec5ae39c00f3426c3a6179cf2f' 
  AND (
    token = '+GZdNaQD5ghz5uMOnZpPdXIYET2f5itOiay5ks91P+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )