UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KXjd6IXpvp/dXLQSUPm/KjlsUCiVbUZq2M6bvtEWAAw=' 
WHERE 
  key_id = '4169c9efe872c6ff5a11c45b56906a58552d614d7fb3f79cec9314ea4d4e5c01' 
  AND (
    token = 'KXjd6IXpvp/dXLQSUPm/KjlsUCiVbUZq2M6bvtEWAAw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00059