UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't81CdWjLgFffhqcNDHCI58mFWw5SrAJH7C7i2hAUO3o=' 
WHERE 
  key_id = 'e997cea208b56670467aae57c0bf4450b5f9e65b48450910ab43f275c317b0bf' 
  AND (
    token = 't81CdWjLgFffhqcNDHCI58mFWw5SrAJH7C7i2hAUO3o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )