UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50p+lBWSXp2f8W85dy9AT3XBAe4k7Z+dKUOHDu/OQ/0=' 
WHERE 
  key_id = 'e9cc199a1bf1a4791d2f9983be9ac45972f6302e7f8ddda8f3a8583bf60de377' 
  AND (
    token = '50p+lBWSXp2f8W85dy9AT3XBAe4k7Z+dKUOHDu/OQ/0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )