UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vzGhUzNmriCc+GB3eXsAgdbqMEAv1JMmC2klNwYo5iU=' 
WHERE 
  key_id = '53e75effd1a3e0f7572765c5af562288ef137b9db67068752e459193acf82649' 
  AND (
    token = 'vzGhUzNmriCc+GB3eXsAgdbqMEAv1JMmC2klNwYo5iU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )