UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mC88pSrY8BhF+NA2BJ2G4ek64Dxd6D5bRZRGj83Hc1U=' 
WHERE 
  key_id = '0755c5cfff1e3c1bb15a76f9f9419e2a8fbadf2b9821ba554bdedf02d7544eec' 
  AND (
    token = 'mC88pSrY8BhF+NA2BJ2G4ek64Dxd6D5bRZRGj83Hc1U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )