UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uL3EHWrVDMEDkmJiOsmCGczJFAFa8scawZLRL0LlewY=' 
WHERE 
  key_id = '550b969a297da4099638cb38219f00bf21206c52ed10b01d6ea6098066f3eb69' 
  AND (
    token = 'uL3EHWrVDMEDkmJiOsmCGczJFAFa8scawZLRL0LlewY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )