UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7WYEwZFo7rk9AGcBGsz1kfZqUsBak3CAJ7XBxw5lWyo=' 
WHERE 
  key_id = 'a73f2409bd280e4eed8582ee6bec389ed672fa6e6192e65d594606061459b85d' 
  AND (
    token = '7WYEwZFo7rk9AGcBGsz1kfZqUsBak3CAJ7XBxw5lWyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )