UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7T8Vxh9tjp1niNECNheaWyZ3TQ+slyaiXtTK7y8lDB4=' 
WHERE 
  key_id = 'ed5dab8b4b909a095b965c512795fcd3aa621e454be6c2d360ff6e7c3da516fb' 
  AND (
    token = '7T8Vxh9tjp1niNECNheaWyZ3TQ+slyaiXtTK7y8lDB4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )