UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BMmAtiMaUIlRBOyKBqEmpPZCULmgO83Tm5REW2re/p4=' 
WHERE 
  key_id = '8b18be58a4e03e77fa6c6719a7ab12ea1afed991f603212b69b08b383855dd8d' 
  AND (
    token = 'BMmAtiMaUIlRBOyKBqEmpPZCULmgO83Tm5REW2re/p4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )