INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2373ce4c6febe944f1699e579ad5e606a9d51d3b22b6fd20c76a8b03d550bc96', 
    'WL51JWhwf8N2QUYDfX5CO02pldsKbboGwmLefEYh8ZQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)