UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DeYheksXYxlq4M8GsQhl3j1gGjYkeIx7hn+ykV8FKeE=' 
WHERE 
  key_id = '8936de3e100669898ba3872577cf11cac11806e5e4529313f68f65b536d26eb5' 
  AND (
    token = 'DeYheksXYxlq4M8GsQhl3j1gGjYkeIx7hn+ykV8FKeE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )