UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eVRgjk9DXhb6ABcvCUo1KqKtUEkmbsX3/Wi1Jpve8b0=' 
WHERE 
  key_id = '902ee49c9a1aebda442cc66976007113a91c2a276f5cb1f8d4138beed5b8e4a2' 
  AND (
    token = 'eVRgjk9DXhb6ABcvCUo1KqKtUEkmbsX3/Wi1Jpve8b0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )