UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mn9DKZlAucoy4KN2bqlyVd75asTwEVegS+gWVAH4hZA=' 
WHERE 
  key_id = '303e88c2de66d8a09715814024c4a86feac74b5a7028af926e8948f37d8ca670' 
  AND (
    token = 'Mn9DKZlAucoy4KN2bqlyVd75asTwEVegS+gWVAH4hZA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )