UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a7TSy21ubFKHMs4ic4bAWkbhAfbIUxhatY3s2yvtyVA=' 
WHERE 
  key_id = 'fb49968ae74e3a8661c99113317b67135c6743a38598694147cc74678b733981' 
  AND (
    token = 'a7TSy21ubFKHMs4ic4bAWkbhAfbIUxhatY3s2yvtyVA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )