UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NNpS4YdcDdgtUJlf3yOzXKmsjp4q6jlI1zpfYd6XD8I=' 
WHERE 
  key_id = 'e8d9cedbdd137de9ea2ec36a0286900f6ca767738cde463033852ff5737897e4' 
  AND (
    token = 'NNpS4YdcDdgtUJlf3yOzXKmsjp4q6jlI1zpfYd6XD8I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )