UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xgBkOZzn8Jsda9kGV6gOEKDVcyYzFqGn23BeIlsX8dQ=' 
WHERE 
  key_id = '91bdf20a68c6f1cea5fa394524fa388e3bc5aad5a4762b792fd54ac7f8962b67' 
  AND (
    token = 'xgBkOZzn8Jsda9kGV6gOEKDVcyYzFqGn23BeIlsX8dQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )