UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nlGu6VcCBmaDdPIdudviGyosAS8bOgy9tXnJ3ymdj6Y=' 
WHERE 
  key_id = '6b1ec82b16ae9fb72970f23de474cbad8f4fc4c530c77f7ea2ebe46970febddc' 
  AND (
    token = 'nlGu6VcCBmaDdPIdudviGyosAS8bOgy9tXnJ3ymdj6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )