UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cry8t34o7OHKuDSINl9QBy7IDX1qd6kjEh0X+YBYuvc=' 
WHERE 
  key_id = 'a6f3db72004769913ab7f2bed45e09fbdf6797a4973ad771b88e16d27938c273' 
  AND (
    token = 'cry8t34o7OHKuDSINl9QBy7IDX1qd6kjEh0X+YBYuvc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )