INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a9635678c6457d9fad91853a745a0a2e64f613bee5fc341624c8210dd16c0369', 
    '2TtmBrzMsXuQjWJOJWBE5xBKBi6FxewkFlfl1hkpTPA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)