UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//sWSoMoyb5Hmvgftw9VnUmIKLu8EAoGl7+6PV5WJRc=' 
WHERE 
  key_id = '35fc739306209452453897fbb015163dd8d0d6e8ee88a384e55afa81c0d7e276' 
  AND (
    token = '//sWSoMoyb5Hmvgftw9VnUmIKLu8EAoGl7+6PV5WJRc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )