INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd35965b9884796c30903ae01fcb103d979e7db7aa89a356a3af95b24bf20a4d3', 
    'isT+IQoeBvMyUMT2F57xWbv//cq8hchXmTVF79wC7V0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)