UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm8SJrt6qmZsFs9AJ+DfSiyJ5n2ruv4f7ogyyYcgF7Xw=' 
WHERE 
  key_id = '9d46d7147e643046dd341f8e362a20911d53a4c17f324e46a07bad123b48f9a8' 
  AND (
    token = 'm8SJrt6qmZsFs9AJ+DfSiyJ5n2ruv4f7ogyyYcgF7Xw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )