UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DQHLXkPG7+rs+LXg5uOAlkknmZ35U2HdwWUrMaMLJ+I=' 
WHERE 
  key_id = 'ad2723e1acdd0d9b3b0a403b51ceb1258b73e812ae3c65ff55bd10ae7e47303b' 
  AND (
    token = 'DQHLXkPG7+rs+LXg5uOAlkknmZ35U2HdwWUrMaMLJ+I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )