UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tMa9J8PSmyTvm2ZgvP2trdUki1/oSmd/MPOnA3NitIU=' 
WHERE 
  key_id = '6a4e35ba7a82fcc4e6a49a09c34be44c54a3b20036c79246b43dfa8514ac0883' 
  AND (
    token = 'tMa9J8PSmyTvm2ZgvP2trdUki1/oSmd/MPOnA3NitIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )