UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kxUqpmW5BVtLNqSeVq/b27RtgyaxZWfUpHmtBhAbUmo=' 
WHERE 
  key_id = 'c7aca5039be5f8f7974634af853d6b545abd3687508a6511c4b462d41670fb55' 
  AND (
    token = 'kxUqpmW5BVtLNqSeVq/b27RtgyaxZWfUpHmtBhAbUmo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )