UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kPW7TVVc8MhWciii54z+rkq1wYUaoZYlF6kCdD+86fo=' 
WHERE 
  key_id = '6fd3804d2c8ad96e1378f346a2a2b5f986323e0c79fcee323426a0800b09bb0e' 
  AND (
    token = 'kPW7TVVc8MhWciii54z+rkq1wYUaoZYlF6kCdD+86fo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )