UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6nqQeQPirjI0YwNJ+CL14e3UBH2a41hc7Ui9eXBEMeo=' 
WHERE 
  key_id = 'b81a5f9c47d3f5b215881ba1c70d2ced9fbdfd1a9dd7e5dfadd5e436b96fa30c' 
  AND (
    token = '6nqQeQPirjI0YwNJ+CL14e3UBH2a41hc7Ui9eXBEMeo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )