INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e15afe3bc6b7ee648797328bf01c465f8844a535f987351fa097a609b6edd40c', 
    'RLe2cmULQ8W7i6ay0aQhCXdgDlGNNKiprNBgEETnP/0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00056

Result

int(1)