UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PUJ7/F/KHHuA6L6JDbn4VI61iSzLWcfvTyMdtgFazLc=' 
WHERE 
  key_id = 'f4811612af76dab28433cbb427c9fac48cadf84b608028441deeae14d234e181' 
  AND (
    token = 'PUJ7/F/KHHuA6L6JDbn4VI61iSzLWcfvTyMdtgFazLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )