UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u93IYz28/MtWXaCMOYeyoTlcG1zT49NR2KwtxpSMm38=' 
WHERE 
  key_id = '308453f6c7d5d4a2223402d128ee26e5d33b8b9c8920a0b20e2980f2ce7494fd' 
  AND (
    token = 'u93IYz28/MtWXaCMOYeyoTlcG1zT49NR2KwtxpSMm38=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )