UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'loYY3pGpyyJNWYIlVblaT6gVLqmltLqKmvflLZMsL/k=' 
WHERE 
  key_id = '9e7e0a398834f2be0a6124dfa0b4479fbe43310a0b2d9f241cfe4018117433ba' 
  AND (
    token = 'loYY3pGpyyJNWYIlVblaT6gVLqmltLqKmvflLZMsL/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )