INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '398ffc91aa0cedba5b705212527e30d032cfa5ae3e1b1068f67881dd5150889b', 
    'gREj6VTQq9WB94pOtuyYFmNozjY1apc3rYeLPicALz4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)