UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fz/f+AhSshPEU08aBW84/TiSGJO4vEVXsSTSSrszrbk=' 
WHERE 
  key_id = '68cc21046b128115d3d4859aac83d3984a3546038df344b420017089f500cf54' 
  AND (
    token = 'fz/f+AhSshPEU08aBW84/TiSGJO4vEVXsSTSSrszrbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )