INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7015db71287b7a8272a682b4d4b89d86dac6ca540a98bfff4490e403558ebfba', 
    'g+7Y6WjL1mQRb5llIjRyN1krG73Ua40466AtmKEjjZM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)