UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rgd5JcyvVZlSOphteFHTXgZ6kLZolLH+tRM2eptr/P8=' 
WHERE 
  key_id = '21ca2d940323d354f7cbaf81355f6efed318868b1581dc321cff15a5b7100832' 
  AND (
    token = 'Rgd5JcyvVZlSOphteFHTXgZ6kLZolLH+tRM2eptr/P8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )