INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6dbdfdf2112a872978438bc38d727cd75818b499243b8909d8525219b67f5ea6', 
    'oMFhSl2L7bZ1l2g+CQWa5f25ZtwHGveRjRlu4AzRznY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)