INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd55ee1abe2529ee231085288eee6c175e3af42396d024665fc8545953253149a', 
    'lZt6QHJ7zbaZRmwSkjEkISqj5p55wx06DkYV3LJ/9zo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)