UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i/nV28eKf+gSSewPx0R3k2XviM0AtjewRuzWzugVFiI=' 
WHERE 
  key_id = '953868ecc99e69996d95b7b2518555e3e36235faee0a45f97206bc03c516ff87' 
  AND (
    token = 'i/nV28eKf+gSSewPx0R3k2XviM0AtjewRuzWzugVFiI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )