UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8thLt/0sZaVOVkCEvu1oJkPdaili8bny2km1+0e0XvY=' 
WHERE 
  key_id = '9a934a0db951d669e516517788cd12db9138d6b404ebd589014f048f763d43af' 
  AND (
    token = '8thLt/0sZaVOVkCEvu1oJkPdaili8bny2km1+0e0XvY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )