INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15d615b5e50605f3b91a2db2e2c11a573859d731b8bb0848356671af9670ce5e', 
    'QREbkdRTQLH2BtXUJ8yESJrlbUW75p2eOv5GurXSwtQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)