UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j41xKEFr3/z/9GzNFkGzyUhEWT+MTxZylQYf88TcygI=' 
WHERE 
  key_id = 'a065b937f098b5562643a809896f7a34c67d37233d95ff548c6d6420c7e97d54' 
  AND (
    token = 'j41xKEFr3/z/9GzNFkGzyUhEWT+MTxZylQYf88TcygI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )