INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd9c6a76c0a6f53eeed57a9302b8308e8f101d6bc5d164beea063a522b681794e', 
    'mSz6DEDljoWVG8ZyUQKaf8pwTAcozUtluTv4bMXliok=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)