UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iyW0w4luW/1yKhtOaDHqrBa6AHWS3jAK84HHwIFcW64=' 
WHERE 
  key_id = 'd2ebb9271c71b75c413e2dc59a8119df0c7d5dfcc0e99b2072cfe3e7538a6879' 
  AND (
    token = 'iyW0w4luW/1yKhtOaDHqrBa6AHWS3jAK84HHwIFcW64=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )