UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U21Arp82uW4xuidqrds2BpuqwOV/Jn61qBN8RPKO9ew=' 
WHERE 
  key_id = '9d45a9f4aa412d13f64572f2729b5ba42766143879e4361466ca511c4693fa2f' 
  AND (
    token = 'U21Arp82uW4xuidqrds2BpuqwOV/Jn61qBN8RPKO9ew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )