UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xenchaqv08rxjxylU1hDQsqOnjjnrZvMLWgSmjrY8HU=' 
WHERE 
  key_id = '16c7d5e3c24836a8242f5f0c2960d1703818ac6bbb8b147bc214ad41d2c862d3' 
  AND (
    token = 'Xenchaqv08rxjxylU1hDQsqOnjjnrZvMLWgSmjrY8HU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )