UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h/gQMpKv9eD5TZyolH74wb7Sj3MvZ/caJqS32OAL/Ew=' 
WHERE 
  key_id = '836ea14e37119a23441d864157051b5389b169eb858520e24971f22305e3a46c' 
  AND (
    token = 'h/gQMpKv9eD5TZyolH74wb7Sj3MvZ/caJqS32OAL/Ew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )