INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51958b82ad2c1e573e52b31fa522fe6c60f057232e8491290c515ba971c869b5', 
    'j+MwjisOBy3sKhDwyg8JtQ518QK8YvdlVTgcYexfxeI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)