UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pRCLWJ3rTdafJZ8Ry5Wwcah0Vb8S7UTERAUrMClkoJ0=' 
WHERE 
  key_id = 'b21eb16c5dc798f2a61b97e281f86088b80dc99bb4aad579bb866f7857a8f3d4' 
  AND (
    token = 'pRCLWJ3rTdafJZ8Ry5Wwcah0Vb8S7UTERAUrMClkoJ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )