INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9861731ffc52d8fb5f171fd4472c944161a8bbb081ee35a6445c68c65e698657', 
    'k7g2WUz0QYaedn2gv8sOqobes//LtkvBbvCF1I9lZP8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)