UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sxr8CnAqxa+rLGhJsiHbuX8qG1HTQ1a8CpPgLyEzIOI=' 
WHERE 
  key_id = '75ad645d577d2b78bef2a0ef885906bbab9b69bf1f15fb44b18adf58e7719839' 
  AND (
    token = 'sxr8CnAqxa+rLGhJsiHbuX8qG1HTQ1a8CpPgLyEzIOI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )