UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BXVXTxv5L6FIKMtxBulLIVZgNKuZto7tc4d7GTUBn6c=' 
WHERE 
  key_id = '83a1b84dd37ff325d06439b8e606f48b15668e404d74556fbb69beba24094198' 
  AND (
    token = 'BXVXTxv5L6FIKMtxBulLIVZgNKuZto7tc4d7GTUBn6c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )