UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n9qNSHPraubC3d4F+c5xdbCOo+mOlLDulIAyS25TApA=' 
WHERE 
  key_id = '20f513cf5bff3bff72c5bface1ae9debd6a49bb3c52e55379db47dae6f395073' 
  AND (
    token = 'n9qNSHPraubC3d4F+c5xdbCOo+mOlLDulIAyS25TApA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )