UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4EsWlEV9RSjQ2FLZFpEqXJ+kSk4wYbcA0WAWaZFKaj0=' 
WHERE 
  key_id = '121cd87a84e9c19c35870941b5b710bb40a535237420cde246f4ff935b8a2ef3' 
  AND (
    token = '4EsWlEV9RSjQ2FLZFpEqXJ+kSk4wYbcA0WAWaZFKaj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )