UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kleqZ0brwhRJLa3riS7/cpOzV1+GsC1ttfOeuyHl5pI=' 
WHERE 
  key_id = '1a89d398d25929a7b0d26ab4c81d333eab34910f1d1fe35ce35a31b2408c0cab' 
  AND (
    token = 'kleqZ0brwhRJLa3riS7/cpOzV1+GsC1ttfOeuyHl5pI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034