UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nw46hcxn7Ej7mbDp8SihjhgpkxUmwunqvzw3THvpwu4=' 
WHERE 
  key_id = 'c55b6b992434836be5aacdbe6d137ce1798fc482aeac34931293ead0af9c5896' 
  AND (
    token = 'nw46hcxn7Ej7mbDp8SihjhgpkxUmwunqvzw3THvpwu4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )