UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rR5nY/rtmmMwu4t87sCeXH0DcTxxFnPfJsADb5a1UjI=' 
WHERE 
  key_id = '49afae6616231073558ca6176dc267a1bd2d01ec2d28cac32c154e252f496f41' 
  AND (
    token = 'rR5nY/rtmmMwu4t87sCeXH0DcTxxFnPfJsADb5a1UjI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )