INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f475990e70b3605eb004bdfa8bcdb12b61e82918e11f21e36852a348233702fa', 
    'FeK+80fLzq3I5xT85LZxszTxFj5IpIeS8Zz0WZ2FCbk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)