UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8D1o0eexhmddaLDBTIH428qi2eW1BVzR6+9amTYJxZc=' 
WHERE 
  key_id = '32ae566115bd7546ca3588052eaa0d984a71645b055135f2dde160fcd1e334c5' 
  AND (
    token = '8D1o0eexhmddaLDBTIH428qi2eW1BVzR6+9amTYJxZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )