UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ia8MZimqar4VDU8u8/CIqi/Gk0lt0P5+gfczbggdXLg=' 
WHERE 
  key_id = '5349c5d3d99eaa02fa246637f074e6379a8947215e45b3138edd3d1a19c07d32' 
  AND (
    token = 'Ia8MZimqar4VDU8u8/CIqi/Gk0lt0P5+gfczbggdXLg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )