UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DdRZa/WULUJ1rdzlwc1umSb/UoR6zGZeAruZdRRRXYM=' 
WHERE 
  key_id = '512e0271d5b8457401ca0ef607e9c7b04e1262f793d79c1050f62a8e8665396d' 
  AND (
    token = 'DdRZa/WULUJ1rdzlwc1umSb/UoR6zGZeAruZdRRRXYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )