UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nQtjsRB4ZKfGcfKz0bDRzOs82U3FbS4jesLnDPUvMzA=' 
WHERE 
  key_id = '0ca55330844c4316a2e82c9797e2e69f8df4f6c02dfc0c72cecb2942aebf3896' 
  AND (
    token = 'nQtjsRB4ZKfGcfKz0bDRzOs82U3FbS4jesLnDPUvMzA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )