UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4yT/2oYndfl6Zq5sHzHlg/UN9ies4/spY9F+9EfJJzo=' 
WHERE 
  key_id = '24af18a1edb772cb8c287ad034b95aedc749ff833e2b683cb933a00a9e3be700' 
  AND (
    token = '4yT/2oYndfl6Zq5sHzHlg/UN9ies4/spY9F+9EfJJzo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )