INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51f5f9f1cf27e2d21f60f5dad3997039169023909a76cd5162127a129a36e903', 
    'WTV9T+2IJ+u5P2P9S68Ud5C7U8dZGZrvtofORlIjGTw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)