INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a57a8ee89006242159d0114c8f5de4c09b6c0e7b901a28a56b64595964a45210', 
    '5YQYx3wlQetXYkkKusFpNUt7ui4LEU7qtryedNeEEaE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)