UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zAFLs8yVUoUTFdt9gNcTcmOUKlrNOJSQ+BJJPSeRMQY=' 
WHERE 
  key_id = '256a789391fb2470ebcf00621647ede32f48b744fddf4d0a47e79b29d03b182e' 
  AND (
    token = 'zAFLs8yVUoUTFdt9gNcTcmOUKlrNOJSQ+BJJPSeRMQY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )