UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zjGAh4eInWBVC5oA5Hs8O9oRA56FIP3EEtaVHNXgIYg=' 
WHERE 
  key_id = '936acbbdc7411b048613790c1ae783b498cf5dce3bd1354ef7cabfcd39229d7e' 
  AND (
    token = 'zjGAh4eInWBVC5oA5Hs8O9oRA56FIP3EEtaVHNXgIYg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )