UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2uLv+1MxpVs2kzNNSRreb120SLUV4swpycLlgj4CLo0=' 
WHERE 
  key_id = 'd05a83397f9a5f0af54de48eca8e9be364707059aaf11f4cd88f8b8c7e9ed46f' 
  AND (
    token = '2uLv+1MxpVs2kzNNSRreb120SLUV4swpycLlgj4CLo0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )