UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2+L6Uv3mmQnjrmF6yj9y6YOsPybj0jGxvuoDbKrcsTk=' 
WHERE 
  key_id = '55d4d20ae8a0ed10699844fe0f1b03c881a1598088eb3d118f064c98b667327c' 
  AND (
    token = '2+L6Uv3mmQnjrmF6yj9y6YOsPybj0jGxvuoDbKrcsTk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )