UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kft6QR7Eunmm99DRKGAYyGQaD3VbGS5XMWs9x/Mec+k=' 
WHERE 
  key_id = '94b51a8ad6dfb62dc02774b4d43f9937583f3b761ef5d2f213b2313a4b0299f1' 
  AND (
    token = 'Kft6QR7Eunmm99DRKGAYyGQaD3VbGS5XMWs9x/Mec+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )