UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r3gOdEo4Vxcj+nLktz4ixQWm/EXiDRNW4zDJZ5od3RE=' 
WHERE 
  key_id = '947a5b56a0e9bbbdc65d045c04eb86abfe79a9bfccf4546c2949983848d39946' 
  AND (
    token = 'r3gOdEo4Vxcj+nLktz4ixQWm/EXiDRNW4zDJZ5od3RE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )