UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N6RkhwMdBmxTkhBaeHSo4wIeo57ZQqWgypH6+xwYUrc=' 
WHERE 
  key_id = '4bb2366a2b4161c5707116c6098e48eedeecab35e24aa0373888df4e90912797' 
  AND (
    token = 'N6RkhwMdBmxTkhBaeHSo4wIeo57ZQqWgypH6+xwYUrc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )