UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I1S20IWlgrC9rVLrmPEnTBV6pfv5JVD4taXRK9sRYlk=' 
WHERE 
  key_id = '3a9bad7d57fe4f1b8ea9ea22d92b853df743323e02537ce5f769a2a30488bc16' 
  AND (
    token = 'I1S20IWlgrC9rVLrmPEnTBV6pfv5JVD4taXRK9sRYlk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )