UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6VX5ljcJR8l5hsrQl2yLabkWqBS+htT1+INI1ILvJBc=' 
WHERE 
  key_id = '6839141856e967c542b6c7255d4a79d7d06a716d7e7c4b849f855c1cae1c5d85' 
  AND (
    token = '6VX5ljcJR8l5hsrQl2yLabkWqBS+htT1+INI1ILvJBc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )