UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tejE7tvk7sT9/5SoYLDzd4fJnT/N6cCoUUGuVxLyxrs=' 
WHERE 
  key_id = '793817816d641eaa912e7446842917c7bbe521de096e671e1f48aa98b4f69731' 
  AND (
    token = 'tejE7tvk7sT9/5SoYLDzd4fJnT/N6cCoUUGuVxLyxrs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )