INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c8c61661112a04a9aa09d5497868750552050404c594d4e45aa0347e84aa55bb', 
    'WydnQFC+JHW2RftKJyyopKc+c0YcavBJLY7ZGRemDR0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)