UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VVNWZRjiFNsGaWsqnBP3rZMKgh1OebyQJuR5hx+6ifs=' 
WHERE 
  key_id = '1dcff7680105b9f26b914c78d878c500c464fea81edc523325e707747b4a0951' 
  AND (
    token = 'VVNWZRjiFNsGaWsqnBP3rZMKgh1OebyQJuR5hx+6ifs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )