UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xkHAiIm1xLYSl7jUUqpbsVVfO/UBsl0aoXl6aDptJvI=' 
WHERE 
  key_id = '892ffd8c9bb71c57d613ac330823d7dcca67795679961fef11d540558a2ea0a1' 
  AND (
    token = 'xkHAiIm1xLYSl7jUUqpbsVVfO/UBsl0aoXl6aDptJvI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )