INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '71c29c6410af1f47e3efe096e77048206416fddfc849f1e1f21a17d46ff12b05', 
    'bvghkEKbTPbniclzTbL7RoCTOnW3oFAUc0USX9NnudI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)