UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mEGnth01IUOn1t6u2z6oJjw2D+662K3lazDg5wqX+Xo=' 
WHERE 
  key_id = '270559247581550d36d39c35dfeded8a6c5997d3ee6338fae2e9369aa17d4306' 
  AND (
    token = 'mEGnth01IUOn1t6u2z6oJjw2D+662K3lazDg5wqX+Xo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )