INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6437cb2bc86305e914d82391eb8ff49be0370e4a2b29826e5036996281e36965', 
    'bLQiZG7cJsCap0KdTb0ZI+hPWH4EFusoGD0bVJin1AA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)