UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'POYT22Y/AsT90gF5S9PBe1NpKsIUuLOQfNWpq36x+/I=' 
WHERE 
  key_id = 'c6bb8e5ebab2a318f79c4249b2d595384b0d34025967c126364ac2cabad7d3ef' 
  AND (
    token = 'POYT22Y/AsT90gF5S9PBe1NpKsIUuLOQfNWpq36x+/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )