UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R6MPVxxnHB4b9te6tBEHmQ9JHMvxzQaLuApynD1sZiU=' 
WHERE 
  key_id = '97591ef37320ea88156e690dcb100fd6b27aacb4fd72565a6e55c1e90d2e11f3' 
  AND (
    token = 'R6MPVxxnHB4b9te6tBEHmQ9JHMvxzQaLuApynD1sZiU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )