UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UmKE5UOSLTrA/y0GWOVYTq7jjrKNw1VCvH9/Th8TjRI=' 
WHERE 
  key_id = '500eafd40fb97b5cf344b511404fd2be1c67d0cdec2f05d81703dde504d52be9' 
  AND (
    token = 'UmKE5UOSLTrA/y0GWOVYTq7jjrKNw1VCvH9/Th8TjRI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )