INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5d21247dd9cdcf947bd014227f39f2bcf0231fb879a29342ed917f7b911d94c7', 
    'c3G4XrL0xgHgQ02m5qFzVpJcQoCH/K3EhZ+OBd19bQc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)