UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z9M7UxZLTCNyE91N+xxmse2h629eCCeqX7wI0v0ouI4=' 
WHERE 
  key_id = '750e1e92710095653fa4acf098de0e842d4b14b420ed0b5890371137625cb8f3' 
  AND (
    token = 'Z9M7UxZLTCNyE91N+xxmse2h629eCCeqX7wI0v0ouI4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )