UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xw/Z7AxFl3n4QgSrKYZsiA3QupB0yYIpPzZKkjPL/dI=' 
WHERE 
  key_id = '18e5d0e4930a6ab2750e06514eb5565a8fff2dbb02a2f4ee5b957c93ca020760' 
  AND (
    token = 'xw/Z7AxFl3n4QgSrKYZsiA3QupB0yYIpPzZKkjPL/dI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )