INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5e7a7a553e58d738b2f5105688241f6e247d1d5efd6b321ad80d509c7a2eecd4', 
    '38C//WAsuNfQLQXr0rFouJWft4GHOQPBnUdI80uj2mk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)