INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6388b42e841c5f7803cd9805398db95f4547bbe807f780108d6904fd8e562be0', 
    'SwS9l8QTPWOlzTcQbuckfljV6GvQgnJirAtEozHBf6I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)