INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '71ebba1c8ee1082c773d4f9a4592d99b0be1d4f8fdee70b7e972b5471c8a208a', 
    '3hgco9xmqM6AswIEB+tCBt8u7BXVs0LNGNk52db8tpk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)