INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c270b521dfe0bea3220840a4c183aa8accfb36f1140d84d66b5793718030880d', 
    '4svSzOlt7iqWbg3ln9+mx11huv/Ng26pkF5EQdCaeW0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00058

Result

int(1)