UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KW2xAHKOCnWWywj8S+UUtdv5tyBIOgkUQU8kUtbl0Oo=' 
WHERE 
  key_id = 'dc7a307763d9f3d54b216a3be870b3705c6ad0b8f0d09f2b43e1bef4850e11cd' 
  AND (
    token = 'KW2xAHKOCnWWywj8S+UUtdv5tyBIOgkUQU8kUtbl0Oo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )