UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/99+Gin/Fk3MkWGBRaQsq7UJF64JKAjaip3WTPFCK+Y=' 
WHERE 
  key_id = '4b7b2a2fa911b3707d95d5be2df6fa7c8447f5a21844a3a64ecffd4caf307882' 
  AND (
    token = '/99+Gin/Fk3MkWGBRaQsq7UJF64JKAjaip3WTPFCK+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )