UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tnSjvx5jkDPO71U6COKctUYlNHFHUEZv7vSNSUiw/Y8=' 
WHERE 
  key_id = '8fb4221190d18db99ab1178981f7434d191148349c859a17c22c60bb25ef1ef8' 
  AND (
    token = 'tnSjvx5jkDPO71U6COKctUYlNHFHUEZv7vSNSUiw/Y8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )