INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21037528b0470eb712d3614d466dc65051735e43c1d146a0bfb0b9e5d2e8ac2e', 
    'Ml27Et63TxvEO9cuk9lZBfowHtRJpVDr7ua2wxd1ABo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)