UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lkzym669D1P9/JNzAtJHCc2E2wXBIKJqBCAVOiUAiAs=' 
WHERE 
  key_id = '138554d5eeb1713ef4a8318264a40c328ff098338bd6947ea8ef91d81c8c6aea' 
  AND (
    token = 'Lkzym669D1P9/JNzAtJHCc2E2wXBIKJqBCAVOiUAiAs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )