UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uPoQ8MNr3cVrqiXaEY70pXichlfV00UbxeuVrUBXjYU=' 
WHERE 
  key_id = '8ec91a423afa112ed08448f9b2896388b0899109331019f37e9319092a3202be' 
  AND (
    token = 'uPoQ8MNr3cVrqiXaEY70pXichlfV00UbxeuVrUBXjYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )