UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xR9CvOBUmrchjkd15atJuTYX+Aj/MfxhWJDag8uENT0=' 
WHERE 
  key_id = '597c93b4980387a863f44d73292143d755d221343cba596b5f11a16186f9eec4' 
  AND (
    token = 'xR9CvOBUmrchjkd15atJuTYX+Aj/MfxhWJDag8uENT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )