UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6hnBHft8uSwc/5030Jym06gYFa6wDD0psBqMebCpfso=' 
WHERE 
  key_id = '76d730b571f9acdecbdf0f4abb12218e136d0cea51a361a76b70ed8609268576' 
  AND (
    token = '6hnBHft8uSwc/5030Jym06gYFa6wDD0psBqMebCpfso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )