UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6XQ3QpS3nbrfrZ8BcWIBBfPKq6yErG0Vfmpswtzo7sc=' 
WHERE 
  key_id = '500561b51ebf204df38f3dd4d0d44ff6100b8e182932e7209a4a212cfc0a9782' 
  AND (
    token = '6XQ3QpS3nbrfrZ8BcWIBBfPKq6yErG0Vfmpswtzo7sc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )