INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a2ed93beedf1f39c878215c138a9fc4ed07077cd03a5fb96316a101e516713c2', 
    '743qhEKPVT8xWghxlnWAgD5JGRLfJdhyk4q7wQ+92G0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)