UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ew6R1LNpqaWFtBWqc7/NfmVtwPl2oMgjoFAeT/eYMc4=' 
WHERE 
  key_id = '3f4e6aa8ccdc400f7aaead20afe7d76a4fd7a3099e8ac0bb45746a0eb73bae6f' 
  AND (
    token = 'Ew6R1LNpqaWFtBWqc7/NfmVtwPl2oMgjoFAeT/eYMc4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )