UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A5anf5o6GtUgM6L/7WR+10rHLFpYzTehdR6ZxY4zzOk=' 
WHERE 
  key_id = '6776c54c681757c878e25ba633761773369d2fdf43252a7b61cb1baed0df3f59' 
  AND (
    token = 'A5anf5o6GtUgM6L/7WR+10rHLFpYzTehdR6ZxY4zzOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )