UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R2J9r2c9jdehvMo2TKrLGozdoKvqPLGt6KDzmqdkCto=' 
WHERE 
  key_id = '2c3f70cc39060f66cbfb9e3d45eac9ee10e8c78a0e40ab7b95db0a50b300702d' 
  AND (
    token = 'R2J9r2c9jdehvMo2TKrLGozdoKvqPLGt6KDzmqdkCto=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )