UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tR2VFZ5yv9eAOmKaztGs9+gxPnr1OI+fMtbWfNfILYs=' 
WHERE 
  key_id = '2b5b2046a497ba81d10acdd21e02954fa8d51c4c53365161c9654a7db50deff4' 
  AND (
    token = 'tR2VFZ5yv9eAOmKaztGs9+gxPnr1OI+fMtbWfNfILYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )