UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6zd+AGWubCtIBftUlHJ7vNZJ55dLGPlTJ8N9YefNu68=' 
WHERE 
  key_id = '7507f518463466f919d9d63cd5b2785e639e8717030473af9816df80b738ea7b' 
  AND (
    token = '6zd+AGWubCtIBftUlHJ7vNZJ55dLGPlTJ8N9YefNu68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )