UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SRE2S0ebw8h0WaQJ+Ly8BkoDaGBjrCnILUe5U1D+09c=' 
WHERE 
  key_id = '8c3797d2e5164499346deb07c65b9c812a589420c5da81d0b77cb74b5bb7bf03' 
  AND (
    token = 'SRE2S0ebw8h0WaQJ+Ly8BkoDaGBjrCnILUe5U1D+09c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )