UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SlB9wz8sM8mlEiSzWMdAZ4MhcrWhADNryQDDDtTyW2A=' 
WHERE 
  key_id = '9c6cdea2eaf22826e87b41c7e7187ddc09b152e77d422231c4f0e9ffed8e0a9d' 
  AND (
    token = 'SlB9wz8sM8mlEiSzWMdAZ4MhcrWhADNryQDDDtTyW2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )