INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3c71bd39e9673ad10475db6d45468b6d04176f734c8e5a395de4135fe2d4a36', 
    'QR04KS7cGJ0RZbpykmDd2lS3Pn6DFi7Y6tp+7fjVaOs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)