INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '999e6f148bd84bd997c949f193a87f795698419ceec4e388603e5e8fe633829e', 
    'L7ERaynKlkcgZHeIuBYyfrZSoIBsoNdGcifn921f6mQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)