UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6BDcMz/ZkajHbluT7y3WyLz/03HBraGJDxqaDSdTbVI=' 
WHERE 
  key_id = 'a7c231d2696ed020a9d8250cf844b77cd834b2e71aeefc8575ffd2440536edbc' 
  AND (
    token = '6BDcMz/ZkajHbluT7y3WyLz/03HBraGJDxqaDSdTbVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )