UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kt+iOdn5i74vghvetghcOSSJGArtNrujO+4HqdGUdH0=' 
WHERE 
  key_id = '0c838120dd36e2ca3978982fd63e64f7302f8a11c987456f48b2ae2697f711c8' 
  AND (
    token = 'Kt+iOdn5i74vghvetghcOSSJGArtNrujO+4HqdGUdH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )