UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PMTzBxyd7pTs98BNkzV+UV76dK+dksNsNeUzI0IL/+g=' 
WHERE 
  key_id = '396194364bf14189b8680bcd2744c14f32e7ce45a09e2380392c94527e1243e5' 
  AND (
    token = 'PMTzBxyd7pTs98BNkzV+UV76dK+dksNsNeUzI0IL/+g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )