UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MtJ6DVqFslYvJqGEfkHjJKYdEWypMW0NhVnA4jS8D6A=' 
WHERE 
  key_id = '2c4e011b269a00c806d080a894b26fd52c3952d3a58509fc9f8b836004228409' 
  AND (
    token = 'MtJ6DVqFslYvJqGEfkHjJKYdEWypMW0NhVnA4jS8D6A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )