UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UCdFYie4EnVPU1hTRphIUwMxG28Mk+dnPo/1Mu/u+bs=' 
WHERE 
  key_id = '4e4cf1ace67f245f1cc5b69dc240cc1717239f177fb8ec19a106a2362d9ff41c' 
  AND (
    token = 'UCdFYie4EnVPU1hTRphIUwMxG28Mk+dnPo/1Mu/u+bs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027