UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6MmpzTkSiGZ57cajTxIY1Eph7e3Ch5erkWIESNTO3PY=' 
WHERE 
  key_id = 'd76c1334f1443fba575117f8a36035b9c855fe4f57fdc5b65b0278d568d0c45f' 
  AND (
    token = '6MmpzTkSiGZ57cajTxIY1Eph7e3Ch5erkWIESNTO3PY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )