UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4mrSOjsU+6o1TZUoTPKjNosts511HTiwVaFLD1v4+iI=' 
WHERE 
  key_id = 'c045cc18ff8e966f659308d75c1c6fd28e1773aa50931c5300456ca74d0dfcd1' 
  AND (
    token = '4mrSOjsU+6o1TZUoTPKjNosts511HTiwVaFLD1v4+iI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )