UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Y+FEfdAqLWZjr2zwdxuPBefSQMjUrMkBExeHh04lcA=' 
WHERE 
  key_id = '756e465dce93a746ee4db8adbb53eacc7450d1045d042e459d1995660384794e' 
  AND (
    token = '6Y+FEfdAqLWZjr2zwdxuPBefSQMjUrMkBExeHh04lcA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )