UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GshDex0A0d5hgnfJJVBcg23NIEijz7iPa6Xly4+QgtQ=' 
WHERE 
  key_id = 'be2536a03ffdee60c90e018171a1c00eb556ffc62fa86341551cb95e2dd37acc' 
  AND (
    token = 'GshDex0A0d5hgnfJJVBcg23NIEijz7iPa6Xly4+QgtQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )