UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kx2fOj08AwynWDqS4VxFRWque9bTAkBZqE36VOsoHiQ=' 
WHERE 
  key_id = '336ba3a62754acaefcbaaeddf2b7167466ad527fae19f6229a5be6dd29371fb2' 
  AND (
    token = 'Kx2fOj08AwynWDqS4VxFRWque9bTAkBZqE36VOsoHiQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )