UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DJ7uTird/W4Yt4ot0jD2xqI85WC1cfP33izvMKYaxqc=' 
WHERE 
  key_id = '56a52b42a7621fc208da68dd4589c31f8312dadce6d7ecd86d95d8601242ac33' 
  AND (
    token = 'DJ7uTird/W4Yt4ot0jD2xqI85WC1cfP33izvMKYaxqc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )