INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '624aa1e634de8a03aa224d2778db73e63d367960f5a88059dfa7bf2275e921ed', 
    'tpkTj7JhW2MXVELiKXk4A9PXPORDkGpKQvZihUZQn2Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)