INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '93a076817b1a9e27112c8d1fe1b620dd5f5d0121675159606d2faa5741bf830a', 
    'mu54GO0j0UdxbOl1LJaQYCvm1mQ5vPhwCE7mJe/xV88=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)