UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bVmtHqEkbJNPJDE6PmlIvAcaVWDKB3SDvRf2eOpljLY=' 
WHERE 
  key_id = '551eeb61d6175fbb501f920bb82b651259a70c36153cd7905b1ec2f6c43db971' 
  AND (
    token = 'bVmtHqEkbJNPJDE6PmlIvAcaVWDKB3SDvRf2eOpljLY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )