UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '435D5x+gPnX5PFJbwD1O4D9dWWYcoh05kYlh66QLlgM=' 
WHERE 
  key_id = '2d480eec579f9e9911be1ed418766f95728d723ea76122b54bb8749f760c55d4' 
  AND (
    token = '435D5x+gPnX5PFJbwD1O4D9dWWYcoh05kYlh66QLlgM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )