INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b76ca8259351e135eeafa35af74598517c1e00dc8e278180caf27cbe5e60a03', 
    'dVTuKny/CZDHY9yAhJLfu6fpn7oZU67PofChHXOmFak=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)