UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Br8pMkRfpf7GNExhT3Cs28KVrJjKD2ZJ3dd84OXTZu8=' 
WHERE 
  key_id = '5dd90e8c0ef4dfcfff16944c68d6ef4e1e338be76d69c2a85a57cb993a515188' 
  AND (
    token = 'Br8pMkRfpf7GNExhT3Cs28KVrJjKD2ZJ3dd84OXTZu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )