INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c6d3ab9607721555c178039be0ca83c6b09a5128d11789bd2a1a32068fd7b2b8', 
    'pufwRLbbeylHWYRTVtFzki6AM3cGB7RV6RcJ3ONefMc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)