UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zbTWuT2GZgfLpGCSWkWx7jEmb3ikmGq0jBmceYGY/bc=' 
WHERE 
  key_id = '91f26370ee3b4784b32ae26d2796b916f50a068f104a73b0c88bdd235e75c634' 
  AND (
    token = 'zbTWuT2GZgfLpGCSWkWx7jEmb3ikmGq0jBmceYGY/bc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )