UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IwIAMxyrqsCKxlGRXW+bmEH+2xknel3WIDyXcFkLA6I=' 
WHERE 
  key_id = 'e635e52b7d551f947677c8412a7e2843ac86a4e8723c2eb5ebaeb0a201fab803' 
  AND (
    token = 'IwIAMxyrqsCKxlGRXW+bmEH+2xknel3WIDyXcFkLA6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )