UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ln4C7/2tZ36lo5AUjNykO/oSUd0sfvw8uwEOShXY8GM=' 
WHERE 
  key_id = '479efc5eae97e1be5cf4ed4827ff8afc0386a33115f4c07c3935a9573668fdf8' 
  AND (
    token = 'ln4C7/2tZ36lo5AUjNykO/oSUd0sfvw8uwEOShXY8GM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )