UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KnLkGTc/FXVqa1YwekmIjidrkcnr+8gzaorS7+SsA+c=' 
WHERE 
  key_id = '70eaa33d4ece9962275ac0fa227e316095203d40d1685a02ecb00e7387480842' 
  AND (
    token = 'KnLkGTc/FXVqa1YwekmIjidrkcnr+8gzaorS7+SsA+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )