UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jkjUdQfi2+wJ/oqrUopuYucvwjiOxedbHjUUG7+JEFc=' 
WHERE 
  key_id = '6eb7e12adf467bff2f65c4498816dd1ff31ab429e08daed0b988318e31f829d1' 
  AND (
    token = 'jkjUdQfi2+wJ/oqrUopuYucvwjiOxedbHjUUG7+JEFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )