UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4xYd17EQHuGqU9KQTOzFuaW5cCGU83LqeYQicTOxsdQ=' 
WHERE 
  key_id = 'e7afb57edec5e7675e2d8057d22db12afa1a340646eda67076dbeafa31883fed' 
  AND (
    token = '4xYd17EQHuGqU9KQTOzFuaW5cCGU83LqeYQicTOxsdQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )