UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lu3K7xU1sYqyKJEQax2pwLid8QE6q8dj16OeDf/wOb8=' 
WHERE 
  key_id = '4836b6e84c27b16e71c0373c02785e5d0648c12f2b755eeda912859b786b5121' 
  AND (
    token = 'lu3K7xU1sYqyKJEQax2pwLid8QE6q8dj16OeDf/wOb8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )