UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A8Rtcm96T0soNK91fWFk9/35+oeljER4ddGHIeZ5+iY=' 
WHERE 
  key_id = '21cc406d72f21c427c8b303b02bd4369f7ee174877306694d20e884dab138d87' 
  AND (
    token = 'A8Rtcm96T0soNK91fWFk9/35+oeljER4ddGHIeZ5+iY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )