UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DtHnEKr6LKoyODkobpbVBjkyvXTqhtphficn0jFEmyI=' 
WHERE 
  key_id = '4e99de9e2c7f4f89a4714d5224c70236fabcef88528963b5bb54ab0c172e4921' 
  AND (
    token = 'DtHnEKr6LKoyODkobpbVBjkyvXTqhtphficn0jFEmyI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )