UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6Yr7+HzuKowGhtimVtbXrL0jEMv7hU3FQ1VADhAZG0=' 
WHERE 
  key_id = '592c46b24e9230708fa83b658657b22b7bb07d176e81e0a58ab2dd91133f6d23' 
  AND (
    token = 'r6Yr7+HzuKowGhtimVtbXrL0jEMv7hU3FQ1VADhAZG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )