UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fyNGTIDZCUb0kYFk0o/rvoY8ZcWfrx15Ahg6US1uI3Y=' 
WHERE 
  key_id = '8ace41043155d2868a9e97f728f19a5cd45fd260d8118f2ac463f07fb88edef9' 
  AND (
    token = 'fyNGTIDZCUb0kYFk0o/rvoY8ZcWfrx15Ahg6US1uI3Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )