UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aBGtZgkdAKg9RGxHYh5OwJ6MZuAhdxDopDZ7L23qv9k=' 
WHERE 
  key_id = '50caa501a1ad8a19bbf5f76d5beb50e24a2f1cfd47831928c161797beac775af' 
  AND (
    token = 'aBGtZgkdAKg9RGxHYh5OwJ6MZuAhdxDopDZ7L23qv9k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )