UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GfhldrkGGW7eW4KAakSOVD7JgUVwlHeWHKxrqos+D/A=' 
WHERE 
  key_id = '825765420586d6db6ee6ce43e2d642d9480ba73fd5cb3391a4628cf063c101e3' 
  AND (
    token = 'GfhldrkGGW7eW4KAakSOVD7JgUVwlHeWHKxrqos+D/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )