UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C9t/u21RHsUlbJ0+5Sc+KzYS5KMEa5tVKTDpHqGpRWI=' 
WHERE 
  key_id = '6b610465b47f9326f5547b7b839972bc4f31de5356d0d228d2d6ecd0c30ce3f9' 
  AND (
    token = 'C9t/u21RHsUlbJ0+5Sc+KzYS5KMEa5tVKTDpHqGpRWI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )