UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T24n9vbRPtr4k+nKcF2fW7tvRTE2MrtMcjCFT5tQrMY=' 
WHERE 
  key_id = '91d9cc42cefae3c8f762c8d033410c96610b265204630b771e5805b89f9e16e4' 
  AND (
    token = 'T24n9vbRPtr4k+nKcF2fW7tvRTE2MrtMcjCFT5tQrMY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )