UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C/1Hys2p7hYJV68uy6gvS+nTZ5tsD6freqlKnydjsvs=' 
WHERE 
  key_id = 'a518b80f17b52744ee60b9f9eccedbe68eebe112695c9e0a0ba19e5e634108e0' 
  AND (
    token = 'C/1Hys2p7hYJV68uy6gvS+nTZ5tsD6freqlKnydjsvs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034