INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b938f4de61e96d725012406addd61c477825e860704a08c3d001319d4dfb898c', 
    '3EpgKaLTW13cjeRPjAYY2nMm2tOV+ruv/rsT5DZgazg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)