UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AZRrFFopBdZHe49Nvtekd9IVuQZ5OfhQJWG7CEz6nEs=' 
WHERE 
  key_id = '78ab21bb024449aa20102cda7d8dafcb3cc754a27b94552ebed4212541e177f2' 
  AND (
    token = 'AZRrFFopBdZHe49Nvtekd9IVuQZ5OfhQJWG7CEz6nEs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )