UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b+7BmI3DBVnapZ8DEWPcvd21wx+ueJBq5w9i1ToGpSc=' 
WHERE 
  key_id = '8df2f5571ba32b072e3a010e1a2d34b19b6c812316b57a71c12fe523af542b2c' 
  AND (
    token = 'b+7BmI3DBVnapZ8DEWPcvd21wx+ueJBq5w9i1ToGpSc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )