INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50e736a2312f02819978814d9d28cf618716a1b7e85a2e3cb00af7a1ee6d4c55', 
    'bgfW8c2aEKCTOovpsWimeJ+E6MRveR43Gjljv0re3jo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)