UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMLmMVi41jZe4M6kdcDgtAHS93aS5akQXiRN1oIZwpI=' 
WHERE 
  key_id = '446e5a9875c323056fda06bc1d9dc4cae7b32936aa241de8495a50f41563b89a' 
  AND (
    token = 'MMLmMVi41jZe4M6kdcDgtAHS93aS5akQXiRN1oIZwpI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )