UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6p8nVBd0ekhgBPRoxuZ6XE2dsz83bDkmmksW6s2cB0Y=' 
WHERE 
  key_id = 'e817b12b18b0e9c98430585b3147035fde741041311b6ae592303e94d70b6987' 
  AND (
    token = '6p8nVBd0ekhgBPRoxuZ6XE2dsz83bDkmmksW6s2cB0Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )