INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '75999b0452d7829c66bcfb6ba1ddbb5e79d849f8566796a16f23da91b30dfe2b', 
    'UgDZeOSbd6mpDyezP8Srz8iSydLuUTielnq0eGCEJww=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)