INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6293a75482ccf95a8ce58ee385ac3cda94f343d2a10fe58f0d95a6063333d9ff', 
    'SNMXclBttAZ/8cnntc6uWOdFRijfZ9ul5U47BMm4iKY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)