UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mczqWl5NtvLMVyCyFDDxSkRkQWjBXusRyc4YDIV/wsg=' 
WHERE 
  key_id = 'd502d9bbfc84fbed057911315f34deb6df0d4c39c5c2b81f44b3455547ef39e0' 
  AND (
    token = 'mczqWl5NtvLMVyCyFDDxSkRkQWjBXusRyc4YDIV/wsg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )