UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sx6pSpvRYF3+MqJb+fzjgFoS3T4UF54D8fUk7NOGyvc=' 
WHERE 
  key_id = '5e44c01c5cc07101a71e7afc95f57b0a59877e6a038f494221e79b6ca688c950' 
  AND (
    token = 'Sx6pSpvRYF3+MqJb+fzjgFoS3T4UF54D8fUk7NOGyvc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )