UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C5WJSfDbzFt1Gu+8PBrimBcvz574LKazpaGoUSjOius=' 
WHERE 
  key_id = '8b3950cf134a11958e15ed15b6c818d2607ef1da8246861c90ba8e16ef6aef9e' 
  AND (
    token = 'C5WJSfDbzFt1Gu+8PBrimBcvz574LKazpaGoUSjOius=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )