UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c8gZNtcqp0MG3BOS+ayse7G2Hb/61sg1eF3BNTh7+PU=' 
WHERE 
  key_id = '6b790843b1b2565106bb222300f378ee26c59eee32b563265c498eb9150ea6d4' 
  AND (
    token = 'c8gZNtcqp0MG3BOS+ayse7G2Hb/61sg1eF3BNTh7+PU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )