INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '453ba68d3ba245e7220c49a224fb281dd33e5c21bf91d5fb29e8fea4e0997e04', 
    'j9mNT1vhyryOnzDQOvwlWilWCAz9YQGOJM4xHwcH7z0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)