INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8c15365ff38c4150b5af0f363275bdb079b9546ef168fcf39130305315668c0d', 
    'WWntcqjY5d8K4rDt35x84xldo40c0NkQIGBV1//AiC4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)