INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '511e481426d6991fdc2fcf0753bfbd5a89b67074daa5d7d182eea3d7a1af0efb', 
    '8GJ0OgZCsItSr41oYI/On8cAlQyPj/e3pSOcqDyF2c8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)