INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '38c3fe9a8d96d061971ec04e6aefad3a7451c3ca16663814c65bcd6efb788b53', 
    'Kxz6gvrcBz5KkWd2MxLFehrf7jgVij2/HRE+V6wVctk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)