UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T6cnD0X7ntkEjwx/MrcR2fixetp+9yruj7VwkKdOmvQ=' 
WHERE 
  key_id = '58c5776f259160af2148bee8986fb718eca50539aedcc9db535f3f0a2f4b444f' 
  AND (
    token = 'T6cnD0X7ntkEjwx/MrcR2fixetp+9yruj7VwkKdOmvQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )