INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8493d8bfd7241b121d7de95867b84ac0cf1a0d0c6d8e3f9ef6cc442701fb01b8', 
    '6kxD2OnvOenGI+1SwZDhiqzeceOexaAO1IHJN3u+yAg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)