UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KGt5B/BtLnIWMurJESLLr4jlBqfCnUQZUINN1pR30Kc=' 
WHERE 
  key_id = '39eb43cef5277a588d2dcb56951210b8cd73ea3261e82494152f06a408d6ee75' 
  AND (
    token = 'KGt5B/BtLnIWMurJESLLr4jlBqfCnUQZUINN1pR30Kc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )