INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8591ca2802e69f398a40cef4801ed43a60c1b2fb1a7825f757f5c69a5c44b389', 
    'Kd8b2iqasHIlT9gx7mcLbMMxsDfigGwdqzlg1DxOqMk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)