UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6yviyC4lvwIGxSXvgO0BRi0OmUrUqE674XTdHHv4Vb0=' 
WHERE 
  key_id = '4aede129cd32b51f192c0876667c88f90af591c37be9a28aaafbb9cc2b28760b' 
  AND (
    token = '6yviyC4lvwIGxSXvgO0BRi0OmUrUqE674XTdHHv4Vb0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )