UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P4tjwxTC7iiPFpQcnj/SWye0oSselLQTi3hWF8Pvzgg=' 
WHERE 
  key_id = '46c47d4d240f10035666b46b44f31647549a306a96d2d13f6737761162af38cf' 
  AND (
    token = 'P4tjwxTC7iiPFpQcnj/SWye0oSselLQTi3hWF8Pvzgg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )