UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PR7UFlPP5J9EkKlmddfTaPLdz9OmLUyNfsjEg76vCeU=' 
WHERE 
  key_id = 'e84d71f0d6624a7e2d695e3a2c43a29e7e18c39240753ea6344d8e0f2a0f075d' 
  AND (
    token = 'PR7UFlPP5J9EkKlmddfTaPLdz9OmLUyNfsjEg76vCeU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )