UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mk77FeEBBlIHaKgmoteszN2qudwK4SLb/A3ldS5oadU=' 
WHERE 
  key_id = 'e2cd0e2658fd5759a0e596367f749ca42d1f4d758b5cc469328f55d80ccd1fd0' 
  AND (
    token = 'Mk77FeEBBlIHaKgmoteszN2qudwK4SLb/A3ldS5oadU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )