UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TRx4pZZLoh+e0BCl6anHXkfsAi6gbQFmfmgc14QE0vc=' 
WHERE 
  key_id = '4da81fc7d0ac209917dd2d4f5cb82f7a4445419a8c03a41733109052975394ee' 
  AND (
    token = 'TRx4pZZLoh+e0BCl6anHXkfsAi6gbQFmfmgc14QE0vc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )