UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RUde/uKahQK8iTKHiXUU0jvVSMWlGiCsusp02frGrOY=' 
WHERE 
  key_id = '3d44f9ef54ed05b319456867188cd435d182c2a5b20e5568999b2772c491b1c7' 
  AND (
    token = 'RUde/uKahQK8iTKHiXUU0jvVSMWlGiCsusp02frGrOY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )