UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'okH9kw+4l1oAjT7BHDaCFOmIj0IDVxo3aiXUE1D1q/Q=' 
WHERE 
  key_id = '75eb51eafed2401fd0c4c0cbd577a1665a8a07fdab76e145c5d01a19ae9122e1' 
  AND (
    token = 'okH9kw+4l1oAjT7BHDaCFOmIj0IDVxo3aiXUE1D1q/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )