UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nEHmYUEx6ltu9xXLwf3Ltbumc2OrxoO6eFEOMuN/BIE=' 
WHERE 
  key_id = '3b4cde4c951cb542205b71372e14bef3a17c930944963cb256c91647f4aa1252' 
  AND (
    token = 'nEHmYUEx6ltu9xXLwf3Ltbumc2OrxoO6eFEOMuN/BIE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )