UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PE5+vRAK13ScmECMpXjhRnpclRq3izGyjVJjWVSCWJA=' 
WHERE 
  key_id = '27c7cc5a94132e592fda96d4153d5a1dbb9c10caf9b0bc69cbeacdc656e9f7f8' 
  AND (
    token = 'PE5+vRAK13ScmECMpXjhRnpclRq3izGyjVJjWVSCWJA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )