UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PcOYR+/AHKeTeXbJ5q2/RCxgdKh+rXT+8TveuT67LvI=' 
WHERE 
  key_id = '1a821e8bd820b02f38f9fef78e65601d9d5cfb6b2a04df086e720394e88bc3a5' 
  AND (
    token = 'PcOYR+/AHKeTeXbJ5q2/RCxgdKh+rXT+8TveuT67LvI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )