UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'otJrVJNfYu93hZ/8X1qEjrv3NkQBCqSP2wQL5ywfkwU=' 
WHERE 
  key_id = '50aaee6aa0dc0127af2e1cc11dcbdd06e30639b3457fd1bbf6cc4d8fb394b8cd' 
  AND (
    token = 'otJrVJNfYu93hZ/8X1qEjrv3NkQBCqSP2wQL5ywfkwU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )