INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd8028a3e03b38afc096e37c3be99638a0821e939eea04637653875cc16dec002', 
    'mt3whuis/IaUA4vMeZ09J9F3HA0tKC9Qzy/7MEsruHY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)