UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I6SzZDnued1Il68WMYDzfyQlAyQYvLLca/TNyaV+foM=' 
WHERE 
  key_id = '27c51fcf6bdccf776b3628f1cc4dd80b9bed3dec46a76ad4121006e29a3ca0e8' 
  AND (
    token = 'I6SzZDnued1Il68WMYDzfyQlAyQYvLLca/TNyaV+foM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )