UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0SCJA9Dc7RY1JOVN+tjG2B5RESVwWL1zE4xhd+p2x+Q=' 
WHERE 
  key_id = '1548aa9661cb565e334b618966b5a8cadc144af346d72748b1129ced805ff4cd' 
  AND (
    token = '0SCJA9Dc7RY1JOVN+tjG2B5RESVwWL1zE4xhd+p2x+Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )