UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EkCdV1E2Own3sYXBjbDwphb0sdm1cWUPMhNF14uUS+c=' 
WHERE 
  key_id = '78c26772fc5c786a4709222d478cf9bc674846dd03f7596ee12505a075f6c238' 
  AND (
    token = 'EkCdV1E2Own3sYXBjbDwphb0sdm1cWUPMhNF14uUS+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )