UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NGPpZrLbl+Liy7tHbelKarG6oMzLrDXwlBFRt3fLpc8=' 
WHERE 
  key_id = '5121a4f8d0875e313b47b47ee5e3a9580aabe191ab3802027e4541506a323d94' 
  AND (
    token = 'NGPpZrLbl+Liy7tHbelKarG6oMzLrDXwlBFRt3fLpc8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )