UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tHE6euJlLGWbLyPVPRiCg7asm9mHM7CC/p/5mCuTIqE=' 
WHERE 
  key_id = '2ff18846f1474dfffda8bb6e3a6189cecf8e8376134d0e33649a0f20b8fa7f5e' 
  AND (
    token = 'tHE6euJlLGWbLyPVPRiCg7asm9mHM7CC/p/5mCuTIqE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )