UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oJKjMxm5FCx7jwU2O9mCoi1TqXqfihZ8b2D42h3U8DA=' 
WHERE 
  key_id = '4a5a8cd7a72755a547a30e0453a728e4d4a437e6bb1a55e96945e3da267b411f' 
  AND (
    token = 'oJKjMxm5FCx7jwU2O9mCoi1TqXqfihZ8b2D42h3U8DA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037