INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6739462a271403a8853b9d1153a6de957bda7d561fb57d9a76e671d334e5c9a2', 
    'sjm9YG3B4hrPkIU4I4mpM7EAyoN0ojyetDr2bb87vWs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)