UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L+V690p5/Xf+mYL+sOE4cGYZ6UBjqlmCa0Tvg2YYSyI=' 
WHERE 
  key_id = '0e2a4a6abcab045630319b53d19114b268739bd7f9f405450c7782de1b0abd23' 
  AND (
    token = 'L+V690p5/Xf+mYL+sOE4cGYZ6UBjqlmCa0Tvg2YYSyI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )