INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6196027d39e329a4e6147953058013de2a302d24a812aa04319d788d805e7017', 
    'Zk7NJphi2jU1gEdBf30cUMCEjJjFgHLPnB1xeEEdZkQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)