UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uuherkL7/SdRLoYCJxjTqVJSp0TkK4duOX0+WT2N4iw=' 
WHERE 
  key_id = '55d1d102f55025435a4e27f542ccb88e17356eba9b36c977c8a6f4f0feef42ef' 
  AND (
    token = 'uuherkL7/SdRLoYCJxjTqVJSp0TkK4duOX0+WT2N4iw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )