UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gUCKIvVMr7yr52n2wnHMCHKftbVE73kmqO8CHt7ngu8=' 
WHERE 
  key_id = 'a80054ca319addc9964f78239c2109202d0b137121aa73b2f5796391ce166d04' 
  AND (
    token = 'gUCKIvVMr7yr52n2wnHMCHKftbVE73kmqO8CHt7ngu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )