INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16b18cb9874047f032689e2773da4597b7a10f4e8c727ebf1b50c689e066038e', 
    'iUMUPWLiPZxCLyDY8lYv663fITa6IAD00Yn74OecLrk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)