UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L81mthSpoZsO5lKyDDSLACun2mPhiCIYuECGWuAxwX0=' 
WHERE 
  key_id = 'db42eaa8d607508edb12a8a0c58bdb96da4122194e96334a9b915c288606a9e6' 
  AND (
    token = 'L81mthSpoZsO5lKyDDSLACun2mPhiCIYuECGWuAxwX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )