UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pEp3qTovtQRltqVjzAG8B9kK/sRNmiNADClNvokRXAU=' 
WHERE 
  key_id = '3328c53e9590e5d461cfe9661bb758e9effe6f96755720a2079b1352245296b5' 
  AND (
    token = 'pEp3qTovtQRltqVjzAG8B9kK/sRNmiNADClNvokRXAU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )