INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b76ceb71bc9b47a9ca56ea69c0c7080346ceb6b2b5b9d655454721121231eba0', 
    'j4bBVsSQyx2Cud3Y5I10VBVwty2fkv8GAlfISGFY5UE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)