UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'kn7gai9I4B6PJWzaz2cIExGollK4HALUSI1pnW0GzAY=' 
WHERE 
  key_id = 'bbcb86056241acf80556e3663c39f11c137cfd534de44a29aa728b1b4f01bc24' 
  AND (
    token = 'kn7gai9I4B6PJWzaz2cIExGollK4HALUSI1pnW0GzAY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )