UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'rFKslr90BNKzdzj5SaHKJg8FQYBpmVxE3sCz6Ck8gkI=' 
WHERE 
  key_id = '37952320014353bb227d6523a88bcf0de6a010204e82b759dc81419cc2dd91f4' 
  AND (
    token = 'rFKslr90BNKzdzj5SaHKJg8FQYBpmVxE3sCz6Ck8gkI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )