UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a2c8jB7Elrkboi4Tphs4DJuD/RvWZn7iDJQRYopjyZY=' 
WHERE 
  key_id = '3e826fd737c1981b7d47d658abe7d442a870e433331fd5b99fcd37830b68a045' 
  AND (
    token = 'a2c8jB7Elrkboi4Tphs4DJuD/RvWZn7iDJQRYopjyZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )