UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UABmgypc02GpyrRs7KH3tC3Y7s3TTdRUI2weUrVqCNY=' 
WHERE 
  key_id = '81f14c4d73a9a83cb09d759acecc6ccb801680ab544004be277124c726702e39' 
  AND (
    token = 'UABmgypc02GpyrRs7KH3tC3Y7s3TTdRUI2weUrVqCNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )