UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UM8zOu0vdvPGsDGdSVkQp+DZ3SM+mIUHj9vWn9nHeKM=' 
WHERE 
  key_id = '42eefa00884e190c5639e64d2f18d260dde19496ae3d5885672c9925be743303' 
  AND (
    token = 'UM8zOu0vdvPGsDGdSVkQp+DZ3SM+mIUHj9vWn9nHeKM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )