INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c7ab4ad58ea10be8573017eaad8def760b703a2ed9409e8a7e3e1f70624a3e33', 
    'dDhuAywwf3YuKpxRekmqvQNdNZKaAORBpRz6ZXBbBV8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)