UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '7UJ3Xp4b+Mt/IeC7dqXJtBOjoHi0Axjjfz+wb4LFQS0=' 
WHERE 
  key_id = 'bd3a3c68e418870ba3a30a173efdb34fc3209f8cbfa9ae03358b0a1e47d717e6' 
  AND (
    token = '7UJ3Xp4b+Mt/IeC7dqXJtBOjoHi0Axjjfz+wb4LFQS0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )