UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ruR4x1EZvab2eI07kCUGlfkabhdmX/wB0aDaji2LhsY=' 
WHERE 
  key_id = '31366dc60831cd159a79dc977a63311e71e404aaf694f811c7150db6cd5f9087' 
  AND (
    token = 'ruR4x1EZvab2eI07kCUGlfkabhdmX/wB0aDaji2LhsY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )