UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dNtGi/fcutuwpydLfYku0ssIWcRdknyl5TrkRSek+fY=' 
WHERE 
  key_id = '9241978d5e152970221956f4f80503e4b20e4959b6df9bebae738fc40f0acce1' 
  AND (
    token = 'dNtGi/fcutuwpydLfYku0ssIWcRdknyl5TrkRSek+fY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )