UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vlwzzerwrhzng3+b+nPWedNmMUdoausdZknFx3EmGA0=' 
WHERE 
  key_id = '2503a710bdbe174bf03f2a401983325a86d82d0f62f6d2d4b5670ae21340035d' 
  AND (
    token = 'Vlwzzerwrhzng3+b+nPWedNmMUdoausdZknFx3EmGA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )