UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ws3vIj1ZlMhFSqPKrLCF3BGNinXo83ZisG3KPL/lGq4=' 
WHERE 
  key_id = '6840fc35303715af412c7a6a9174c59b3e0426379cfce1b63f2a7760489fb3e5' 
  AND (
    token = 'Ws3vIj1ZlMhFSqPKrLCF3BGNinXo83ZisG3KPL/lGq4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )