UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NZUB3KlTjNfqFqu61VQVIlKxpbLCbMTBQSOZNTwVWG4=' 
WHERE 
  key_id = 'c3d955f94aec7c6b7cf209a5b39b297da48af37a255907e29b9654490a977576' 
  AND (
    token = 'NZUB3KlTjNfqFqu61VQVIlKxpbLCbMTBQSOZNTwVWG4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )