UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51V4eaUqwkQWkJHyPsND74K89zWNDjfQKbTXnUpKQGM=' 
WHERE 
  key_id = '1b8cb0da9f3669e448e50d7b85a3bd2924f6351d434dcf600ff5487722648a0c' 
  AND (
    token = '51V4eaUqwkQWkJHyPsND74K89zWNDjfQKbTXnUpKQGM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )