UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zL1aJSdk+Em5L6qzxeIdwyFvg2usjWYKDAaClr/IL/A=' 
WHERE 
  key_id = '20613f30179e38e317eb7e2a1c86527d66c1b7d487eaaae7077d209368e7b661' 
  AND (
    token = 'zL1aJSdk+Em5L6qzxeIdwyFvg2usjWYKDAaClr/IL/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )