UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eJ08nPkSjC6G2wEA37MgDBG6YeshhZN03lE7xXdSYno=' 
WHERE 
  key_id = '2fc366323093f6a097ddc8e36737cbb91e3a0f639ac91832220ef930f35500d4' 
  AND (
    token = 'eJ08nPkSjC6G2wEA37MgDBG6YeshhZN03lE7xXdSYno=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )