INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '20cf555fd94b1a5e01ab7505f1a6bc7ca8f3db36a812bf6f60aa0e0daaa51e3c', 
    '+9MLmsw4YgSdYea/YYkPt+D2LMpdKMZRKoEAthCPUrg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)