UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PnPS2I/COuXS2/0grJ0oE4Lny7ptZYbbPoxWGVmKuxw=' 
WHERE 
  key_id = '1993ebc2c53ff36e89feb59d966c3e926cfcefb06717496578516b39d1b0f9a7' 
  AND (
    token = 'PnPS2I/COuXS2/0grJ0oE4Lny7ptZYbbPoxWGVmKuxw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )