INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8aad875df1ac46f0cbea355edad79536a744ffbd1f60a48e201f61fa178d69ec', 
    '/otxaXnn96i7cGKmOKZThceBz84uboT/ARex1mfgKhw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00054

Result

int(1)