UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ViXm/xjc/TGMNmXwcnZnJNzvwbI3plcOZCtLgGQOsNY=' 
WHERE 
  key_id = 'dd6f589e4d2bdbd8900673c38636c8b2d589356daa14f034222992a0e6946dfd' 
  AND (
    token = 'ViXm/xjc/TGMNmXwcnZnJNzvwbI3plcOZCtLgGQOsNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00052