UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IG1jXV43zdhA1MbAZuwsMWJP8Tz0UOqHxvm6z6JQ1+A=' 
WHERE 
  key_id = '401685586bf1d30e40ef1034002ef1c7f826d5efa89d54d60a890d2b13cbc98d' 
  AND (
    token = 'IG1jXV43zdhA1MbAZuwsMWJP8Tz0UOqHxvm6z6JQ1+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029