INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b20648aa3d1d02b6908db3fb3ec646b0c7a347775048422897607f1c985abebb', 
    'KjbZ+95hJgOj1eRG/YoWYp0eQBCgzUuR0wER1lRsfek=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)