UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k21bSgoNPKf44sixttGJhIF/cDeWg1CBYuKlKsfxKnQ=' 
WHERE 
  key_id = '7c660b76e1c497cdf7a7f6b8c837bf6c7636eb4bb413e8712c9146d1333d104e' 
  AND (
    token = 'k21bSgoNPKf44sixttGJhIF/cDeWg1CBYuKlKsfxKnQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )