UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MNNsMuBBVgDFmNX5tht4SQSXZD46qDF6vCPIcMSd/uw=' 
WHERE 
  key_id = '761214a1c4b3e0282c1c636b8ab57bef859d2b22d8b4e6d81d449d7017b48f20' 
  AND (
    token = 'MNNsMuBBVgDFmNX5tht4SQSXZD46qDF6vCPIcMSd/uw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )