INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '673de24cbd3ebfe4655c8b5464319ebfbefa09843c81f768b06490142b364aa5', 
    'QvJIp1fnLBzlImaSsSXgthUsgjTJyUWotJTBT0G0Kf8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)