UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VrDgMTkPzHBPql0NRe2UgQGaSrbwioDilN8VVeF1S84=' 
WHERE 
  key_id = '6f950632d4989f10dfcaea9c624c72d9e3f8a0a418312598248229e2285f35bc' 
  AND (
    token = 'VrDgMTkPzHBPql0NRe2UgQGaSrbwioDilN8VVeF1S84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )