INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd9dff3cf259f5d5a036928c5953e86d8722d2e255ffdaaf6956e9e198ec84048', 
    'cZnJQhEtz2oG23E1FKOoM3B2hPMtuMj3ohFttqL5vDs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)