UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oKv2xF0lmEP13NQBNJAZDnO5AiZxwnZh8q3neKNcIQc=' 
WHERE 
  key_id = 'b794f9707991f4247b51b491fefa989332ff49bbb152676e5d69766b32d49a0f' 
  AND (
    token = 'oKv2xF0lmEP13NQBNJAZDnO5AiZxwnZh8q3neKNcIQc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )