UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V51Jv2reiZNIN3owCxz4H3V8EjKvX7n8nL0L18w45gg=' 
WHERE 
  key_id = '5bd1b141ac3110f20e00ab0c3369e93da67e94e1335fc1db223ca9ed6aee4bc8' 
  AND (
    token = 'V51Jv2reiZNIN3owCxz4H3V8EjKvX7n8nL0L18w45gg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )