UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oXNoyeR2OnfhwSYCsKAzoIor7auKDL/lA4eH0UAhGn0=' 
WHERE 
  key_id = '440d0517a73f5471faff33d789fecef1dcce28396e327407b255043597cb16d1' 
  AND (
    token = 'oXNoyeR2OnfhwSYCsKAzoIor7auKDL/lA4eH0UAhGn0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )