UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Av2Iw3uG7VSHUr9k5EaWvIvynjrtFKy23+5sZG7usaw=' 
WHERE 
  key_id = '4d8c5795b1f50c2f8d89b293bd221293810f4803dda8a4eeff69e2d6d2c77193' 
  AND (
    token = 'Av2Iw3uG7VSHUr9k5EaWvIvynjrtFKy23+5sZG7usaw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )