UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9iWI70niaU5kBynXatoeZPvu59x4DWXnp7G1S7xsSoE=' 
WHERE 
  key_id = '520cfba1a7b2c25d9fe59048a346d826815809e8edf58c01633443982d26ae34' 
  AND (
    token = '9iWI70niaU5kBynXatoeZPvu59x4DWXnp7G1S7xsSoE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )