UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KREdVqwmiZUzhH8PHFEW1himF0QuPC7i8LBHg18oP0M=' 
WHERE 
  key_id = '28f9fb0dd7a2dbd659fc359933d20f042aced30aead95056b0e292a12919e996' 
  AND (
    token = 'KREdVqwmiZUzhH8PHFEW1himF0QuPC7i8LBHg18oP0M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )