UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iUZZe6ME4vuFXOUFLTP6eVcI4H1EGBDbb1YmhThgN4A=' 
WHERE 
  key_id = '4af83f2d628f359129d1eb0bd4b2a09831193b0da4a5902b95132f89a8c3b324' 
  AND (
    token = 'iUZZe6ME4vuFXOUFLTP6eVcI4H1EGBDbb1YmhThgN4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )