UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N8y51YZwybdHvCe9VbNcm9NLEbhzMbT7agrRAXNq9U0=' 
WHERE 
  key_id = '397f38c5c97425c1b988780e247b7416ce9aa6991f76625f66e1aef3de808029' 
  AND (
    token = 'N8y51YZwybdHvCe9VbNcm9NLEbhzMbT7agrRAXNq9U0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )