INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6de8883ba35f10f92b468bf3adcaa6e07ba93823a0e014dd55f3e6b071ba1a42', 
    'u4qhwsyGgsi38tpYsqMJxQwECjMnvTFHXqw+l2sszxs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)