UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KgS9SIoy20eJ/OEvh8ELpnt46hgxIigczhoX5XLfaP8=' 
WHERE 
  key_id = '273f8e4e9af7f95257d802118febb6489735dd5a78c22d186a8b88a774af3b4f' 
  AND (
    token = 'KgS9SIoy20eJ/OEvh8ELpnt46hgxIigczhoX5XLfaP8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )