UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rdyctPaZTXqNVb6U+7Vpa7XzOZqmPL2QNbb1sJl/5NM=' 
WHERE 
  key_id = '83be931c6d431b20601d21facad1b141cb92064f797950ce39f87f2535c7aa77' 
  AND (
    token = 'rdyctPaZTXqNVb6U+7Vpa7XzOZqmPL2QNbb1sJl/5NM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )