UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sZK+iBRTBL0p5prHi/eKKaUO0VI5YyJ3wA3cz7LTjeA=' 
WHERE 
  key_id = '3f408c73dde73b652c09dcbe40ba3d152ec41d9957437e7d6ba4cef550754d1c' 
  AND (
    token = 'sZK+iBRTBL0p5prHi/eKKaUO0VI5YyJ3wA3cz7LTjeA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00043