UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a8YbPHnNrSE3Vpz4CQK6JPZyM7+oyaW6a4LORY8VDPA=' 
WHERE 
  key_id = '0b08fc7bea035de639575bbfa32185a11f65d6ff5a5eb3bfaba83bc35216ccb9' 
  AND (
    token = 'a8YbPHnNrSE3Vpz4CQK6JPZyM7+oyaW6a4LORY8VDPA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045