UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CKPBmr/PkDJ+82oB94UDlk8BAjvHDBEftM/KGhbh0zo=' 
WHERE 
  key_id = 'f58fd961486a005bb1b95794d4a4b1a4977c258b4f8c030758ce6ad54cc4d383' 
  AND (
    token = 'CKPBmr/PkDJ+82oB94UDlk8BAjvHDBEftM/KGhbh0zo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042