UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B39ilECWfjRRAHUKcP9J3KtAiSdHGG4dzqpz2EYo5Sc=' 
WHERE 
  key_id = 'a38fb86d3c2bc522234f5e69308d4b115e7f1de4ec6343667184a47b4bb0d0e4' 
  AND (
    token = 'B39ilECWfjRRAHUKcP9J3KtAiSdHGG4dzqpz2EYo5Sc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )