UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ekby8t1qpCiQ81AWcWlhKUjIbChCp4XVU7ghHT23Wfw=' 
WHERE 
  key_id = 'cab59f45137b39d62a2883a30fabd28b9e90a75355df40d6e8d8981e259bd739' 
  AND (
    token = 'ekby8t1qpCiQ81AWcWlhKUjIbChCp4XVU7ghHT23Wfw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00058