UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r50jLvfXGGu2sYixhPA5XNJvZru6HVfozLFf8YG9kh0=' 
WHERE 
  key_id = '169f37f121187a3a2c52c7dfb6e146761296b4258336ee19005f2b50730e3cdd' 
  AND (
    token = 'r50jLvfXGGu2sYixhPA5XNJvZru6HVfozLFf8YG9kh0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )