INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '239ddf0fcfb7e05315b8908f29d63c7e6b9923a67d4a8f07355630393a6e6a51', 
    'q62Jm+jqG6B4+dXmzuKPa0tarHaLy17ft9UWFm1a9Qo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)