UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MN5zqzLkCEXAmQFt9TIfPxGf8fnv+sXWvgJKiW4i6b4=' 
WHERE 
  key_id = '8c29fedea27b5bf105c0579c5be975200681b9881677b73081eb55c4413e414a' 
  AND (
    token = 'MN5zqzLkCEXAmQFt9TIfPxGf8fnv+sXWvgJKiW4i6b4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )