INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9fb3d9e40421984d741732241f86062b8af6c2fe7e6b100ad4d360c23d510eb2', 
    'zfHoYl2f9kqaiuBAVhm4DQ1wdSpuhbWNbmoAT4W/2BY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)