UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kd975Tu3zAAZFQ6SrfbLzCXrBE0bkRYpG3ud1fhY9dU=' 
WHERE 
  key_id = '2131352a7a258ac71359af8e6d12fe65a5ead3ac713655ccb4fa098d6760fe20' 
  AND (
    token = 'Kd975Tu3zAAZFQ6SrfbLzCXrBE0bkRYpG3ud1fhY9dU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )