UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'usZdWMMpTpQdv7C2yp4zp0buNUVKCT3cUVUUKPb7DIg=' 
WHERE 
  key_id = 'b6b50a1b660a19b0181cbd5c34fbcf3fcc5a76f13dbf95353bc9e04fd644e904' 
  AND (
    token = 'usZdWMMpTpQdv7C2yp4zp0buNUVKCT3cUVUUKPb7DIg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )