UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jyfadZliyn2dW4rptEzCgbscvs9Tw1HXE3M5J/zzPkk=' 
WHERE 
  key_id = '7d84362d3bfc246a590c7385555abb2e3736daa0c0b175508c67455f186d8150' 
  AND (
    token = 'jyfadZliyn2dW4rptEzCgbscvs9Tw1HXE3M5J/zzPkk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )