UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I6tOHBGNIrdQ/Ijx0ZIvuxfvZ/al0NOwCvoJ++9c+MU=' 
WHERE 
  key_id = '4230bad58c71aba58744aed5fa28180457daed92f6fbf93a5ac2538a83bdb50f' 
  AND (
    token = 'I6tOHBGNIrdQ/Ijx0ZIvuxfvZ/al0NOwCvoJ++9c+MU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )