INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4863199b965fef22e56ea72d32697a3d99f7480b889d3e2578262ec3f7ed4593', 
    'nMHArQgr0wSSYhGdrZNSq060YyXqi2V6JELQw4koYxA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)