UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e5HSI7FR/MjSvYRqiMtxP989Od8AcVeKDoNxTw9or+Q=' 
WHERE 
  key_id = 'c203dd94e72f70a2e8a539def92f01db8f6308c78c384e9b03e8da2dd8c5d0b6' 
  AND (
    token = 'e5HSI7FR/MjSvYRqiMtxP989Od8AcVeKDoNxTw9or+Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )