UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tc5Z9jqmE6jTWEoa890sO4D9Vt9MTDyCUhswUuGXPOk=' 
WHERE 
  key_id = '6638251f4b268ab861f7c0cef507d3420c8d5d92e5923dd6f4a222d40a0f9ed3' 
  AND (
    token = 'tc5Z9jqmE6jTWEoa890sO4D9Vt9MTDyCUhswUuGXPOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )