INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16c348a4b39f90e596d750379de35a573da56ac99af2d8c845aa105658f95529', 
    'k4KgGh2pOtgvS/op6NXSb9Yzfj/LEY2riFa93AOZKpM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)