UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u9HWdIln/gEohm++NCweb7aCaLhEQ9COOI3m3egAjww=' 
WHERE 
  key_id = '68d72593cf70f465f6b72378659b8b9caf91a0bef39f0136068b19ecc5ffbc21' 
  AND (
    token = 'u9HWdIln/gEohm++NCweb7aCaLhEQ9COOI3m3egAjww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )