UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'olaxHI5upYeNnEsvbOK3KRP/Dp1tdqEe41/n+kTeI/A=' 
WHERE 
  key_id = 'a4b970654e6b690a920b343e230df8245b61bc4755ca75ac66fb6df04b0ca340' 
  AND (
    token = 'olaxHI5upYeNnEsvbOK3KRP/Dp1tdqEe41/n+kTeI/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )