INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2843423bb78fd93dd8facb452e1ddf1a701fd12724726f906730caad6966e87a', 
    'A9+iFRikFw3FRl6crCsSnpzK+M8iDXpPFg659NgoCgc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)