INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '446873ba45cb96a9702f474247ef571da32695e97a8e4fddf53f4459481e352e', 
    '9AEbEjuCpgrIzTcRn7rm71++DPxujHcIEHil4ICQ/0s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)