UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Yu90JsrsJZ3jf4KBNwmjQ5AewDVH/CGxvoeK+TklFjo=' 
WHERE 
  key_id = '7a855b35936af5736ce2eff4224906e346cd012a424239681d69f76d8e46bab8' 
  AND (
    token = 'Yu90JsrsJZ3jf4KBNwmjQ5AewDVH/CGxvoeK+TklFjo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )