UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uaWqbt5l8XT5j4kLuxOQZQVnEUo122j5XTDk/o70HME=' 
WHERE 
  key_id = '49b745462bb8b27a37264b11bf7de3a47b2a32991f665fd6c1f5467c6f9fb7b3' 
  AND (
    token = 'uaWqbt5l8XT5j4kLuxOQZQVnEUo122j5XTDk/o70HME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )