UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C00dwrp/+7aObqB4fj6exnuGcqfUA8IQEy253zhB1Uk=' 
WHERE 
  key_id = '83815d550d226a3adae6dcdade60f0575439c6e03cce09a2258b124c059ba44b' 
  AND (
    token = 'C00dwrp/+7aObqB4fj6exnuGcqfUA8IQEy253zhB1Uk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )