UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ewXQEfOvy9uAHqf7aS7ATrA4mskry6CKTZqXuCYErSk=' 
WHERE 
  key_id = '8c8484a4b7c8a5c05ad928ae838d376b9bfc1ab5d17ddd55b4660d093b421c12' 
  AND (
    token = 'ewXQEfOvy9uAHqf7aS7ATrA4mskry6CKTZqXuCYErSk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )