UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i3Qgfwx6h8couWCiZK+4Kn75WZ72aqqyz36keH9cggc=' 
WHERE 
  key_id = '4756c6648a040a451a618a913a442f242ceb7d52a7d5e1703d605da58ac5dbb8' 
  AND (
    token = 'i3Qgfwx6h8couWCiZK+4Kn75WZ72aqqyz36keH9cggc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )