INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f8c09088517e004028fb823cb1eb33f912bd2758f7f0f920b43c4b9e407b732', 
    'GmkaQeBNnNFCUL1ItpejaoS8ZYV0t3N9ibA9aXTdmqU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)