UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mwW+mxINe0E7q4VsCeNEfl2oGGR2FVKjT8CVcu5Fw+k=' 
WHERE 
  key_id = '234ccd95e1dffd2dfa0193f19e8bfe0574b4ca744fbc3e2aebbb2aa2fd59fb42' 
  AND (
    token = 'mwW+mxINe0E7q4VsCeNEfl2oGGR2FVKjT8CVcu5Fw+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )