INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '816cb92ec1165144cfd721c859fcbeadb8d5da7c797fc5fa0e65a76b037dce1c', 
    'LI9oZbu7qIve6ZqthGmnaAODPQr2G0qiC38hL5l7Aug=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)