UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AUcyMd1MjJ/Cs0DTgrqhPkjV90bFjnUWIzeuXKfAJPI=' 
WHERE 
  key_id = '84b4e827ac03b98807949870a40729e2f05c47466d5c625b9a768988176f3517' 
  AND (
    token = 'AUcyMd1MjJ/Cs0DTgrqhPkjV90bFjnUWIzeuXKfAJPI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )