INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '281088d4691926740ddcea714a53a4459675d0142fbac7a6ee6cbb5fa916b589', 
    'S8hirLuA9AkOr28kUGSpVUTK6+ZdQs70sSzjgOSyf9E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)