UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '271wGF9qhz0Q+EfNGXEEQYFfYc3aT83EBnZDmaqc3CQ=' 
WHERE 
  key_id = '8843d9bb9b50e589ad5a37106cbd2db734c2a1f2a757124edbc84f8becc34f52' 
  AND (
    token = '271wGF9qhz0Q+EfNGXEEQYFfYc3aT83EBnZDmaqc3CQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )