UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KiiNjI2gNuN3Ka+JcaGZDcjsnXvuVzAw9lyx2QniUXw=' 
WHERE 
  key_id = '51a657a0b0aedf26bc41150f25f8b17268c1d5553b035b0fc6bf5775ecae6d42' 
  AND (
    token = 'KiiNjI2gNuN3Ka+JcaGZDcjsnXvuVzAw9lyx2QniUXw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )