UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MUo4Uqlld567N+eIxhSDTOW+v5EOCKUEW6g9tSPyIfk=' 
WHERE 
  key_id = '518aea8c06e2688173f3c07a8900ea13f728ae4ed48bff1b9101234d9763540a' 
  AND (
    token = 'MUo4Uqlld567N+eIxhSDTOW+v5EOCKUEW6g9tSPyIfk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )