UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VK9dV2OpOsjOV5W4TAyB31EFrTCsY0+Aok6Vl5Oy0J8=' 
WHERE 
  key_id = '46bcea0b3d58c0e3cf10425748fd35b5f829124b217bf325e6ea7aa6eed09973' 
  AND (
    token = 'VK9dV2OpOsjOV5W4TAyB31EFrTCsY0+Aok6Vl5Oy0J8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )