UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gZ+M9raDDUGpQFRKglPRy5woNrx5ICzCWF6fY621IIM=' 
WHERE 
  key_id = '5443424fde95deedc9cda8f4e8f0b002df448bd24c819851ae1dfe0f8947b8b7' 
  AND (
    token = 'gZ+M9raDDUGpQFRKglPRy5woNrx5ICzCWF6fY621IIM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )