UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zvMKi8pe+YkfoXRwiBL+lFdmaEWwCZb3yWUfBaZAHkY=' 
WHERE 
  key_id = 'a4dd6cfcb77522f76f1426c337988e00952239a530f8cb078bae23ce303c9e16' 
  AND (
    token = 'zvMKi8pe+YkfoXRwiBL+lFdmaEWwCZb3yWUfBaZAHkY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )