INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '968384800ac7e5780732ab83a7d4f3e108059691737c2f089aa861c0efec37cf', 
    'QrI9srfuc2T2xGU2O//YOiOMuBj0BYQ1bXNBYjez2oQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)