UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MH/V0lE/SjbeBrgbCkkjVvVMDyuY0F8xuTiTFmwWwcE=' 
WHERE 
  key_id = '6f51cfe64a7a5448a43b306ca7b928492956e6e04dab4e8d65e52939d3e17132' 
  AND (
    token = 'MH/V0lE/SjbeBrgbCkkjVvVMDyuY0F8xuTiTFmwWwcE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )