UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ep8If26WvledjurWcaneJqsOVj+f1TV/vDe+omsmbrI=' 
WHERE 
  key_id = '284560d1dc9fd1f0fd1b8ef93e15ea99ca28b1a4f2e305653c7449c6aee56631' 
  AND (
    token = 'ep8If26WvledjurWcaneJqsOVj+f1TV/vDe+omsmbrI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )