INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7ebbb938f16cd76f96b52b469d35cee06815ce82a15179def43e7f36de7d75c0', 
    'Jx8DqAMAdASj2npUlliY2z11Olxhw5RkgWSvXGeQaAk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)