UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'ajPASXmDBzIAV5En4AKzSxleUfKGcbL9uZsSR/OH344=' 
WHERE 
  key_id = '36a6ba81f0c71fd5b93c60a47f5f4d54b1a483085ed4d7015e4267d03bddcd72' 
  AND (
    token = 'ajPASXmDBzIAV5En4AKzSxleUfKGcbL9uZsSR/OH344=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )