UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gkOwBuMjk7wnjWdllPfjtqFOlAumpwf/G57V4PwNqRY=' 
WHERE 
  key_id = '985831f1de0d34301d188c64e4aac7414a7bc5188054776f624eb308cd0307db' 
  AND (
    token = 'gkOwBuMjk7wnjWdllPfjtqFOlAumpwf/G57V4PwNqRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )