UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fhqY9m4Ug3SYIlke+66wkdXpm9R6btL8tvUKjJCMp24=' 
WHERE 
  key_id = '28c983bf35bbe40b19b7b37510bdc42f728e037ec8fa82db3f7b433b95af74b7' 
  AND (
    token = 'fhqY9m4Ug3SYIlke+66wkdXpm9R6btL8tvUKjJCMp24=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )