INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '99ec91ddd9edf010cf1d2a64c441050c743b70af27955edea3362368752b355b', 
    'MLhSzAlIF/1XH9iQgZp7KSJqBIDM3bLACkiJVT0koMc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)