UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't5xBRD+5uYvm8WhLsJG7bICefCDLykhPW9LRC4EDt9o=' 
WHERE 
  key_id = '6c8df727ebd02d398f947eb47fee44f35016a9f82c2e56a297dfcb5f945f20a7' 
  AND (
    token = 't5xBRD+5uYvm8WhLsJG7bICefCDLykhPW9LRC4EDt9o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )