UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C4zAVYsO6NVyMohCsJNfqQ93SJfPtHybxXUFNLSkfZ0=' 
WHERE 
  key_id = '3a4b4ea517089f2bd3bf37bb1e2a6d7fdfe623f02312e59d02b6e18a8ff36b99' 
  AND (
    token = 'C4zAVYsO6NVyMohCsJNfqQ93SJfPtHybxXUFNLSkfZ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )