INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8fef4ece1442a416d15fb9bb7780b4f8003c031406dfecde2cac225e847d2df9', 
    'Zk+gKh2QYXB4nZTOIIgJm+DCZszFZmOlMlVzoja0oZI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)