UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ydaiEk9aVOkGaEk+u5q9LVU8i1xHkHS534DeN3WLPHY=' 
WHERE 
  key_id = '7b40910e714dcc83c1171084cee4b4336d3301d47f80d4b5e72886d5b3fe2831' 
  AND (
    token = 'ydaiEk9aVOkGaEk+u5q9LVU8i1xHkHS534DeN3WLPHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )