INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9f39b814c1629b502a9d5a997b0871d266d46c2d0233902337d0dee2cbdc7823', 
    '648Qx5QnJfayW5f6j4PmOQRh3eSjGVczjUe18AgycMo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)