UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'My34taOKSwLaO+mU8wGbtjZR30FvKDy3lEazvkNAuDg=' 
WHERE 
  key_id = '83ad63ecbc3832ec7cedbd1b13807ed49e49ad76ff0809c5791aabaa81a66402' 
  AND (
    token = 'My34taOKSwLaO+mU8wGbtjZR30FvKDy3lEazvkNAuDg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )