INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a46e523640f7fe40ec7c8e05eebcde5f9f22c44abe58789930ebdb1b243d7942', 
    'MJp//WZkvR1fz9duzbAJvpA8kfuT0WJzEAXE8b02tMs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)