UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ltpc70lHdo501tbX6E0CiEWEQNbSrggbbl10lH5yeA4=' 
WHERE 
  key_id = '900ee0f6b7cfa7f547cc7e76a052cb58b32f3db37ebb993774642c265141ed35' 
  AND (
    token = 'Ltpc70lHdo501tbX6E0CiEWEQNbSrggbbl10lH5yeA4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )