INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '420d3b57cfa2c6b5ebd811abb8a54e993a482b7d03a465fe5e7a3e4efd3e8a04', 
    'EH4pWqTVPBkBULK6kpvW9uLXyMWU7UtWs40IJ8IB078=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)