UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PkH2W/H7ZXOLKZsiSSjK0WcxAhrGUyGyML54tJ//aDk=' 
WHERE 
  key_id = 'c3ad6454e41845d643be0a6010ae220b59d04b8fc056684c4a17d2e29527e4e1' 
  AND (
    token = 'PkH2W/H7ZXOLKZsiSSjK0WcxAhrGUyGyML54tJ//aDk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )