UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2KzHlw5RNwlqArT2OiG0MY40kvFQHy9nn8wiAu0QQso=' 
WHERE 
  key_id = 'a6a239ecffbb67a221336066dd3c38ddef9603549ae9f0d1ea683899c7b015cd' 
  AND (
    token = '2KzHlw5RNwlqArT2OiG0MY40kvFQHy9nn8wiAu0QQso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )