UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U8A+LJuxCrn9axPlfyUynk01rEIaxUrMCGFkYwpzdVA=' 
WHERE 
  key_id = '4ed21833d29ed93dd749f61d233536857c0e80476eb52a31d7df0c2b1d57b0a8' 
  AND (
    token = 'U8A+LJuxCrn9axPlfyUynk01rEIaxUrMCGFkYwpzdVA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )