UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6cVFStYHXz5XZyNjZZOfuCeqogYqBprGSGbQlM9fsYc=' 
WHERE 
  key_id = 'b5993fab31ca953d4138d31dda2999dade63797692395a85e6f93d5fa6f83773' 
  AND (
    token = '6cVFStYHXz5XZyNjZZOfuCeqogYqBprGSGbQlM9fsYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )