UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UEhQvtVPxabrzvzr/lo8ks2d7lMMMCgF45Bvh7qtpmE=' 
WHERE 
  key_id = '8a7046990b647324d9ccbdce5c7850cc2f3ecb2aecd29452b626ff3cb09b638e' 
  AND (
    token = 'UEhQvtVPxabrzvzr/lo8ks2d7lMMMCgF45Bvh7qtpmE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )