UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u6jy3gFF7mUJ1L58cazzu7eqemcuW/Fx3TH7nF+lP0s=' 
WHERE 
  key_id = '3a84925c96dc468b929eea51a0def1d25837c466d7a50e42d7bb154740f971f5' 
  AND (
    token = 'u6jy3gFF7mUJ1L58cazzu7eqemcuW/Fx3TH7nF+lP0s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )