UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DSbbN9HIKld4YgNjBlteF8QuhYiqaOcJBBwghw0+lZM=' 
WHERE 
  key_id = '43c68244e7e550043b1061b92c3f369be5230f9572349d669cc6408013394f1b' 
  AND (
    token = 'DSbbN9HIKld4YgNjBlteF8QuhYiqaOcJBBwghw0+lZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )