UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mpUglUeLoWtD5lXLFwZEBvWLadqmypdNWTjV3/bkyu8=' 
WHERE 
  key_id = '95d554a650872c68a091297cbd10877ae880b73067edc6a12b344671bd634373' 
  AND (
    token = 'mpUglUeLoWtD5lXLFwZEBvWLadqmypdNWTjV3/bkyu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )