UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u9m5hYA2ZcKcYQlw48GwbtFJRX3cQN3fpVsSEKyjPyc=' 
WHERE 
  key_id = 'a91f2612a77fa324d534b84541a7f16c708112dd36402c8a3865dca6f95591ff' 
  AND (
    token = 'u9m5hYA2ZcKcYQlw48GwbtFJRX3cQN3fpVsSEKyjPyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )