UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RkfAXuTnIAvLybd4f/mdS/tKhNsmOn+SaUAG2bSKvh4=' 
WHERE 
  key_id = '1bf03c5cd17535870c7297591625c91e21035e96f92aad5ac306572fe60a08c6' 
  AND (
    token = 'RkfAXuTnIAvLybd4f/mdS/tKhNsmOn+SaUAG2bSKvh4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )