UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KN/68DTak65mrO2SVwAlYqXwoDw9i8kA5D4tlzTuPwE=' 
WHERE 
  key_id = 'f7ff8ec5030cad16f9b63a2ef76c793cd402c27cc01dc14484da66ac5ab1b861' 
  AND (
    token = 'KN/68DTak65mrO2SVwAlYqXwoDw9i8kA5D4tlzTuPwE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )