UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lJWFg2YQaLWY4rg4QeTZMokIbmxLBlPbmjArgMMLtCQ=' 
WHERE 
  key_id = '4fd64ed661a8f4c06f3e2219c7e1ef9d3a111d9ded809faa2b8eaea66a0c6e9d' 
  AND (
    token = 'lJWFg2YQaLWY4rg4QeTZMokIbmxLBlPbmjArgMMLtCQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )