UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'flJtdMlf2txGvT5LirEMT0vndvHVB26NkECpNOynzy0=' 
WHERE 
  key_id = '193b8ac1731eec7bf6482536aa9b0eca30270dd3d6ff80da37a85939d211aed2' 
  AND (
    token = 'flJtdMlf2txGvT5LirEMT0vndvHVB26NkECpNOynzy0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )