UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K6AqOMOx924iI/fSaGXlk+dFy8KmwTeunhJkm+C2jes=' 
WHERE 
  key_id = '83f4e231eb5c33a855ce2fcc7e40c4fd1e157b9c8e86a0e4957d1075a6896957' 
  AND (
    token = 'K6AqOMOx924iI/fSaGXlk+dFy8KmwTeunhJkm+C2jes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )