UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DfIg9KKkuNBlY8Aq7K2Kb1OQuMrpw3RgnrDkz/XK4c4=' 
WHERE 
  key_id = '8ef793c1c631951fb30136b1288caaad36206d6a3d03e9bcc6f036c258c2fffc' 
  AND (
    token = 'DfIg9KKkuNBlY8Aq7K2Kb1OQuMrpw3RgnrDkz/XK4c4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )