INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3ddd521d4e15590e29a67ccd768230c04917b0e7e1ddc81acbfb8fc4206119b3', 
    'vQujdqm5XpGuYU41c1KfelCMlWIQLsvoIbbPl98UKDo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)