UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rxt6838uJyhYe80b0xMHs3dz9/SQha9Haq2pWxTOD2k=' 
WHERE 
  key_id = '789519049fe99603df033b6ac93e21c2e0585db4a389feafb269600979701c70' 
  AND (
    token = 'Rxt6838uJyhYe80b0xMHs3dz9/SQha9Haq2pWxTOD2k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )