UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mVlRZFOLDkbc7bBoppNCbf+YEGdeUl8O7N+qbLcp9lM=' 
WHERE 
  key_id = '8fad9c8bb1ca7c07b3a632e90aa9c82a7a372fcadc9c31b72dfae1584574b782' 
  AND (
    token = 'mVlRZFOLDkbc7bBoppNCbf+YEGdeUl8O7N+qbLcp9lM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )