UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+McWMl/9seXgddaiUV/jeS44ZscmNWLS/cQyGsTVAt8=' 
WHERE 
  key_id = '412d09929a86684484ee7a98261255cc550c019bb61c9764253b1039eea3d087' 
  AND (
    token = '+McWMl/9seXgddaiUV/jeS44ZscmNWLS/cQyGsTVAt8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )