UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MT3ex7tIZrdGq3wQSk23kGx2iGcwgw5LrdNW7i9KtxY=' 
WHERE 
  key_id = '1aac74aec4ed2b50ecc09e46e3494331556f6d248db9a003f3627bfe22225733' 
  AND (
    token = 'MT3ex7tIZrdGq3wQSk23kGx2iGcwgw5LrdNW7i9KtxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )