INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c6456f534aaa2eb8af6b5c69c41eb8e39204ae984bd2c9331eed08be29038df3', 
    'MCTUWKF8tsweB+tkXk7uFx6b7Dh9v9wiOVViGGrYWt0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)