UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7ga2pGxajAmD9h9smN7qAzqHadCkB4BB51RoygkeYo=' 
WHERE 
  key_id = '8b73798656476827d20164cc94e998513d929e1104e77746342e554b400b3c05' 
  AND (
    token = 'b7ga2pGxajAmD9h9smN7qAzqHadCkB4BB51RoygkeYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )