UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MlexN/hI0l9H+vM6IOwnHznfAfsoGvJvT7JKzXTMqgw=' 
WHERE 
  key_id = '5cde97e48d38383e10536af4652f38cedc4ff9571b9052609366d9e676516b4b' 
  AND (
    token = 'MlexN/hI0l9H+vM6IOwnHznfAfsoGvJvT7JKzXTMqgw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )