UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'piAfKLWB+Iv2ZiZO9OsxSiU//eYl5Nioxcp0qy9vWwU=' 
WHERE 
  key_id = '3256c63c296e97c49741f963ea8fda0e532e5125804c0fcbcb505053371467c2' 
  AND (
    token = 'piAfKLWB+Iv2ZiZO9OsxSiU//eYl5Nioxcp0qy9vWwU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )