UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C6zTDLBd97F0dpCC4gKJLAb9LMoh+Afk9MJRJKWa2bE=' 
WHERE 
  key_id = '707de2a6bc9390bad618b35b012293fee293096af7d321d809947ed07a7638da' 
  AND (
    token = 'C6zTDLBd97F0dpCC4gKJLAb9LMoh+Afk9MJRJKWa2bE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )