UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rU6cOPgjroolYQh33mdervo1/NzXos1p7PW0z/qW+ns=' 
WHERE 
  key_id = '7de339f102cb1fa6afc0580ebf322636ad4ad7953bb0059b2768420539d01380' 
  AND (
    token = 'rU6cOPgjroolYQh33mdervo1/NzXos1p7PW0z/qW+ns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )