UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6PWnJv8CdnrWeEm3pjbGUyAHAoOBzRfXzqyxlyw6u3U=' 
WHERE 
  key_id = '899ee709f9709b038f05d9b1e385d9372867d258eb68fdd946cffa603ab0d5a3' 
  AND (
    token = '6PWnJv8CdnrWeEm3pjbGUyAHAoOBzRfXzqyxlyw6u3U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )