INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '818bbf3c1399c858976b68737f2ad4ecad6283e890090cc622584db4cd8ea02e', 
    'sZg4MvekIx5PaUfFh5RCV9FaafV+fMQlm469dVSnejM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)