UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WBPjQ3u8P4sqGmAyBqZr0vJdVS8+LKXaWMGNb8NrZns=' 
WHERE 
  key_id = 'dab9833e114baefc61d4493a6c584cf74cafaa5fcb2d383a4d070f5c0779b53a' 
  AND (
    token = 'WBPjQ3u8P4sqGmAyBqZr0vJdVS8+LKXaWMGNb8NrZns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )