UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pm+EP0WO4i6bfr7cu5wyEgXOluIjjX5qQ6u5+6cjgb8=' 
WHERE 
  key_id = 'f8141f8cac981453b42c6a8c4feefb887de4bd84192d625201c3956c1cc400fe' 
  AND (
    token = 'Pm+EP0WO4i6bfr7cu5wyEgXOluIjjX5qQ6u5+6cjgb8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )