UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C9WBxtjWQmTNf3ODQDnoCNOtuhaE4kajhFs8NbUI4LU=' 
WHERE 
  key_id = '50171a65db65c27dd585cd2032decebe1efcf0c5e82ae007527a101f14bc92a1' 
  AND (
    token = 'C9WBxtjWQmTNf3ODQDnoCNOtuhaE4kajhFs8NbUI4LU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )