INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '851d4db78282b4395589791826eabadee487422c338d4a176191bc4a8c535f71', 
    '/D+LoEiFkdQH0OyWv7BNl0yOuwCSURe1HI7ns3pg4Gs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)