UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm8RvTXFueM5O0R+lcRgPNbxNogADpLszBOsF8ryJZYw=' 
WHERE 
  key_id = '55649521a7f9697bf307f7a94e6ac163bf8d42d1001f1009ece19033f316d61c' 
  AND (
    token = 'm8RvTXFueM5O0R+lcRgPNbxNogADpLszBOsF8ryJZYw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )