UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MgWrmzTPey96F7drME0gDAV8qWq7HbH4Hk22Uk6TpUg=' 
WHERE 
  key_id = 'fe6b5e8a6ce0bbab572b1fda7e50e28a53ac0ec9a1a0634e334344ce26536056' 
  AND (
    token = 'MgWrmzTPey96F7drME0gDAV8qWq7HbH4Hk22Uk6TpUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )