INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8af9c50bd488587667e2fd986fbceffb6f5f2b47dfc40e4522f4a96b742da0ab', 
    '//tFuUk/rRT/zO/IwGRQNVjhjiZooOUyvxSV5uFWnzA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00054

Result

int(1)