INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '900357403bdb76bd309bc5a13db68a3d61d2cd9256f64bc722c977ebe9acc1bd', 
    'fgXk2CijtnSx5o9Qzy19Ti0I6mYJkZTLzdxU47sPVdg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)