INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '53d099b6cbea23a8c60a9d7f2c488cc56271dacadaeeaecf633e3cb982d2c785', 
    'M4xvybjrnzcvNuv+byS5rW3IZKhARNv2g7N7etLCEBs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00059

Result

int(1)