UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+nd+QkKE8cM2vDFEJSG0uF3qBfiCu1WE0co2J+1kSCY=' 
WHERE 
  key_id = '271e575b93bc595634ae126f5d38941a363b0dc0e1e89e831a0ff7d3db473d02' 
  AND (
    token = '+nd+QkKE8cM2vDFEJSG0uF3qBfiCu1WE0co2J+1kSCY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )