UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mXPgtzffhyGRrvagqRFnExLbmfPWdGiBEnQ8YQeLg7g=' 
WHERE 
  key_id = 'e27ddef73d60b86eb5ae38a085af11d593d25def4138664957488ea2d5e5c8a6' 
  AND (
    token = 'mXPgtzffhyGRrvagqRFnExLbmfPWdGiBEnQ8YQeLg7g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )