INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '715abcd9a57bec01839f3f0cdcdad9e763082cdfb9e6aa508c760f73717cb300', 
    'htrelh25BaAT0TwALv97FETHAqWAbT2o9HdbipRzDos=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)