UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r5Ajbh7MPgRbvtXUhnLS3hsT6FWww47ly8dZtYxP2jM=' 
WHERE 
  key_id = '6e068c1ecdab4deba5abe74632c62507af67552189c6064e184bb5a44aba92dc' 
  AND (
    token = 'r5Ajbh7MPgRbvtXUhnLS3hsT6FWww47ly8dZtYxP2jM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )