UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0Dx2prn5w4TAjMVL6FJecxLmNtXKOQwvLiBihgVWpMA=' 
WHERE 
  key_id = '680125b5ab5df8c17b2af567d2fc6242ff853496d77cbf9e4f0b68be7950d6c5' 
  AND (
    token = '0Dx2prn5w4TAjMVL6FJecxLmNtXKOQwvLiBihgVWpMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031