UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eC2r8Ng/RaZBMCv0PyatTcY6eIQD+yiHpdEF3I3DIrM=' 
WHERE 
  key_id = 'c12920be12e6f75c9c4950c4f039c6f2dbce56cb99e7838c9bec901a8a80bb09' 
  AND (
    token = 'eC2r8Ng/RaZBMCv0PyatTcY6eIQD+yiHpdEF3I3DIrM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )