UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PlH+AJF1z8/TMlVEO/1jQLOuWwxNA8r6zufjcLH1DCc=' 
WHERE 
  key_id = '21f82d5f4e8c2bebcc05af03c5a2d0daeb1ea54e640c29e051d2b71dd3a8f5e2' 
  AND (
    token = 'PlH+AJF1z8/TMlVEO/1jQLOuWwxNA8r6zufjcLH1DCc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )