UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PcKbi3pYr7/NqaNr2YjNghetdHw9xwXYDQRZcEpkveA=' 
WHERE 
  key_id = '08a5546f430d97f9a540587083c9be3cd50acafb958acbed955038c0afa351de' 
  AND (
    token = 'PcKbi3pYr7/NqaNr2YjNghetdHw9xwXYDQRZcEpkveA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )