UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ebje3n3OsbnueJ0XAer/ASRZRbw0yNRf3stIBI7IZBI=' 
WHERE 
  key_id = '84ca7339efdbc5967c55c92ff9fec12670c374d8747d7750f3713c05423354d8' 
  AND (
    token = 'Ebje3n3OsbnueJ0XAer/ASRZRbw0yNRf3stIBI7IZBI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )