UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6tHAFrCmIKx2FtTQqWjqINkm3R0vgJI6JDE0BoB8Myg=' 
WHERE 
  key_id = '5155155864f693982a5bb8d6e2e25c0608e8943d18bdb4c395f421dbca9c13ee' 
  AND (
    token = '6tHAFrCmIKx2FtTQqWjqINkm3R0vgJI6JDE0BoB8Myg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )