INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '918b87b09876e72993f37e8f503eea466f6c490b4c396e37055c59c0ea5cf608', 
    '8HJTGBaOjCYz1zqCQlOIh8IMmWl5VF4q8pDGHsrvkvg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)