INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81791fcdda815a8434476572a97a1e38e21f363e0659f4e17f4a8a0a6ec43197', 
    'RK8vb1eIPmN0vkb1fKiK8TCLiNfgulunIh7z0wgAHAY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)