UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'shcL2iHWtGYM6BfZb4YGOAYV4KU51GRtLhXRsPTuFyU=' 
WHERE 
  key_id = '0e84fe668bd3bd98a48870a4297a4fad7a49ce73007ca1247a4839042361403c' 
  AND (
    token = 'shcL2iHWtGYM6BfZb4YGOAYV4KU51GRtLhXRsPTuFyU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )