UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U7rBPXEdq5jU2Eqq4cJuXAdZ6c4vuqpwvJBhDRpknOc=' 
WHERE 
  key_id = 'c4534703ea8c501517afc3802f7e41f0dca593b46bb1ddc348c764ac3dea74f7' 
  AND (
    token = 'U7rBPXEdq5jU2Eqq4cJuXAdZ6c4vuqpwvJBhDRpknOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )