UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aNxSauxnUWvhBx/zTz1nXwR9KwxvxwYMmf7xQH6Rdu0=' 
WHERE 
  key_id = 'b4e9273f7d807dab0e19446eae14791235990af67a2a250e063b5bf4a4c18439' 
  AND (
    token = 'aNxSauxnUWvhBx/zTz1nXwR9KwxvxwYMmf7xQH6Rdu0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )