UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'iGdj11yXFY9i6LpLhB/qoDw5mSU4hkLDujMPQCzZWUo=' 
WHERE 
  key_id = 'ad296b629a2b6df3a4592a2a36417f8e68af2f8b5c996220344751583eb1c14e' 
  AND (
    token = 'iGdj11yXFY9i6LpLhB/qoDw5mSU4hkLDujMPQCzZWUo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )