UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E6RLaJf11xQFs4NMXzZ8LP5b/RWhdfk5dwLeQHqvYMA=' 
WHERE 
  key_id = '9b21dd730666bc3986b3d91f166c1cce8ee811a3d372d7befe719f0c142a840a' 
  AND (
    token = 'E6RLaJf11xQFs4NMXzZ8LP5b/RWhdfk5dwLeQHqvYMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )