INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '78ab21bb024449aa20102cda7d8dafcb3cc754a27b94552ebed4212541e177f2', 
    'AZRrFFopBdZHe49Nvtekd9IVuQZ5OfhQJWG7CEz6nEs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)