INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5e8a698917ce03db71fa5f869bd45ec1aec0a477a138cdb007cf2b1d1156f0ca', 
    'JHxJnWqpguLm3QWDNC7Xru4PS9st0S//yM3kqmBe0E0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00061

Result

int(1)