UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QKyi+hFoAgvtXptigxji0FXnD+D/5fUBya2M4MP1Enk=' 
WHERE 
  key_id = '568fc6e4052fae52a60c9e54ab1918bc457e78841f2006b17b32841a0a27f6c8' 
  AND (
    token = 'QKyi+hFoAgvtXptigxji0FXnD+D/5fUBya2M4MP1Enk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )