UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WLnFyKwKIsWywZLLi6LFpMHosyRN7ypfmRq3D6XCgRk=' 
WHERE 
  key_id = 'a426999d97d70e27de3792853d62f9b4af5e33e96bfdbe004d1bd7e358fc696b' 
  AND (
    token = 'WLnFyKwKIsWywZLLi6LFpMHosyRN7ypfmRq3D6XCgRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )