UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v+sUN8PMaTbOlg/BZ3VEuCN6BrMjXdMZTGUTm+eKaCQ=' 
WHERE 
  key_id = '81a38d2de0450cea8e55b0e5e77474edd9f6d2dc31a08c5761cfccba291410e8' 
  AND (
    token = 'v+sUN8PMaTbOlg/BZ3VEuCN6BrMjXdMZTGUTm+eKaCQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )