UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lSWuJ+b8Dlfb7HN58u42gIP3ZChLTDQMVHw536/7F2Y=' 
WHERE 
  key_id = '54cd2a6cb50c77c1ac5031d9fd8d884ddb13ab23c9eb46d8abb7b10c2f876ac0' 
  AND (
    token = 'lSWuJ+b8Dlfb7HN58u42gIP3ZChLTDQMVHw536/7F2Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )