UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B4/r6nXh6Qplxg1fxMcPD3uJETKlwG9bmniaSDUT/lE=' 
WHERE 
  key_id = '5913a252c88fb9aa231d2f71fcd781c9875b0e790be4dc88babaaa587595ff6b' 
  AND (
    token = 'B4/r6nXh6Qplxg1fxMcPD3uJETKlwG9bmniaSDUT/lE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )