UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'o+FLUHJdGHZqBxBf0D8Gje0JNlD4DAzcHopY9eWTGOE=' 
WHERE 
  key_id = '928771372405866a799a71980ba0f4f61838f6b44b201bebe67c5db4dcd6b9a8' 
  AND (
    token = 'o+FLUHJdGHZqBxBf0D8Gje0JNlD4DAzcHopY9eWTGOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )