UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SnCtBLYxAfu6vZHddD0Ti69vBqhmnC7//+bfPvYohSU=' 
WHERE 
  key_id = '93784f35a71f754e91e7adbb43ce0bcf044e59f3711dd7103f56b9f1182429a1' 
  AND (
    token = 'SnCtBLYxAfu6vZHddD0Ti69vBqhmnC7//+bfPvYohSU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )