UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DWMBNx6Lz6RYJ4WYwS3bk9xCizmw4CQ8b7pKKICNblE=' 
WHERE 
  key_id = '20a87a0de2d6e4356dfb4dd73db69334a3e2e3657afc6a848122cd5396defbf5' 
  AND (
    token = 'DWMBNx6Lz6RYJ4WYwS3bk9xCizmw4CQ8b7pKKICNblE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028