UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vU0G0lm0eVp7ajYjOqXrZP3XA4KhQdfVGHhcL4wiG24=' 
WHERE 
  key_id = '6b8ca68f9311090a24d0499978f09f83ab8c52bf2bfcb1fd04dea1ca56375293' 
  AND (
    token = 'vU0G0lm0eVp7ajYjOqXrZP3XA4KhQdfVGHhcL4wiG24=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )