UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zLtx+PdEjZMkvtiac2XGzvIuuvxpXZbbxZCREtlu8qY=' 
WHERE 
  key_id = '96f4af1a28b095cdfb658188690ce7b6830e6c613059217510ea5467e1a2d74f' 
  AND (
    token = 'zLtx+PdEjZMkvtiac2XGzvIuuvxpXZbbxZCREtlu8qY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )