UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ky08UxY11sAifbqfKW+D6z6k5rqXocos0iS29UlmFJA=' 
WHERE 
  key_id = 'e751ae9e71221e7f31ab800b699fbeb853a121edb0a0fdfc6d2b86edb674a16d' 
  AND (
    token = 'ky08UxY11sAifbqfKW+D6z6k5rqXocos0iS29UlmFJA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )