UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4MkmbsqBhdnAfYByQ5K6Q7kp9pRtGmZFGUY9qnv0i/k=' 
WHERE 
  key_id = 'a76ab791a915e91fcdfe280a38cc38cdd73f6fb859475cd303248e4e65a85d78' 
  AND (
    token = '4MkmbsqBhdnAfYByQ5K6Q7kp9pRtGmZFGUY9qnv0i/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )