UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RVkFrWzAzCwessqaEuOYOkB97oe/APzCaz2A4OLyOH0=' 
WHERE 
  key_id = '51c3d390e1694cf8695777635792dd731625a533d1ce361e34b60edd3c90506d' 
  AND (
    token = 'RVkFrWzAzCwessqaEuOYOkB97oe/APzCaz2A4OLyOH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )