UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VM10HhOMjgk8IzmVATdTbXpfmrvPQgcYQc8PGJcCY/Q=' 
WHERE 
  key_id = 'a420bdf1bfb9010981b42dd6ed00c66c2b02448c24211018acecf599b6c70508' 
  AND (
    token = 'VM10HhOMjgk8IzmVATdTbXpfmrvPQgcYQc8PGJcCY/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )