UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '743+Udr0kKTKodP5VzvB8VLE3cyCj+oZ5ZMK5y8Ae7M=' 
WHERE 
  key_id = '5cf3624c8c989a29a0808b317dce2839dca474b8657acd5d0079f2d816959041' 
  AND (
    token = '743+Udr0kKTKodP5VzvB8VLE3cyCj+oZ5ZMK5y8Ae7M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )