INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c9f2a99b0ba123935509d52aa004e293e60745b3e09f0600a948ac025421503b', 
    'kFdwSBZPbau96nwDT9fsq1ovbo9gQa11H4dB148Yy4Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)