UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mu54GO0j0UdxbOl1LJaQYCvm1mQ5vPhwCE7mJe/xV88=' 
WHERE 
  key_id = '93a076817b1a9e27112c8d1fe1b620dd5f5d0121675159606d2faa5741bf830a' 
  AND (
    token = 'mu54GO0j0UdxbOl1LJaQYCvm1mQ5vPhwCE7mJe/xV88=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )