UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRlFgwo4LzmXebv4AADr8tLxHGGlF0OKlQp6tHLsMiE=' 
WHERE 
  key_id = 'c6d28dd9d38d4cdc776debf7d97f5bd3eb54747c95e0bd9d7686db4146557d26' 
  AND (
    token = 'MRlFgwo4LzmXebv4AADr8tLxHGGlF0OKlQp6tHLsMiE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )