UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k4Th7I6rCV2MnsqQVavjSvtQUaZTVY893jt0k/ehvxg=' 
WHERE 
  key_id = '39d935c5e392ac1527d5f676e13d74cf8e7d8af99ba1485a819469278f54e03a' 
  AND (
    token = 'k4Th7I6rCV2MnsqQVavjSvtQUaZTVY893jt0k/ehvxg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )