UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tRmGymwdlEx4IcoJ9IOcXXvg3g+fvzar1/w/HT40m0o=' 
WHERE 
  key_id = '831be3945a0bdfa5694813709581caffea76999e27b027417daf93a142995c1f' 
  AND (
    token = 'tRmGymwdlEx4IcoJ9IOcXXvg3g+fvzar1/w/HT40m0o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )