UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SJjjUqdvOpJLgZEjCANPxNiq/dPRSnVJViKJyaJPVBA=' 
WHERE 
  key_id = '750a83e96a31326c1b951adef8329b21d6c5629c62280d0fe7cd4f4e1f00e95e' 
  AND (
    token = 'SJjjUqdvOpJLgZEjCANPxNiq/dPRSnVJViKJyaJPVBA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )