INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5fd4475923a3760bfca0c1454ea1a0dee1e587f4a38bbd9580ea3df966d926d7', 
    'Fny6K8XofLLl1uAL2FXxjmOjBhFXMaFj9aNQxDMRt5s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)