UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BEW1cFNOdnrr1Lyt5g2l+W5sCPKjHu2XShCFi4brT20=' 
WHERE 
  key_id = 'a9dec2cd6e29eafafca9b96b61c01f64bd70cccd8167d3ac4baf1203fabf3226' 
  AND (
    token = 'BEW1cFNOdnrr1Lyt5g2l+W5sCPKjHu2XShCFi4brT20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )