UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4XcN8Barnjk4sBCA7NolrgNLrEYBS/olISejk0KoOAY=' 
WHERE 
  key_id = '769613a7e4100a939ac22792fb303c3ad6d072322c24132fa1b7ccc0b6275c20' 
  AND (
    token = '4XcN8Barnjk4sBCA7NolrgNLrEYBS/olISejk0KoOAY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )