UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MEvAHBb3NxZ7ygUvSKxWCKJFTYgZGO6CBpLk9uXsQYE=' 
WHERE 
  key_id = '8d343748e26e5683becfe9c98c76e422aa347647e9e415be357cb9d3b9e02800' 
  AND (
    token = 'MEvAHBb3NxZ7ygUvSKxWCKJFTYgZGO6CBpLk9uXsQYE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )