UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'lnLwAftfCE2/2yk8qIqaeP5beBBXR4t/dYxfxbYFARg=' 
WHERE 
  key_id = '9f92057a19c889ffbc987a42cac047e0b8b84a2e753476eb757d13f571f96711' 
  AND (
    token = 'lnLwAftfCE2/2yk8qIqaeP5beBBXR4t/dYxfxbYFARg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )