UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WGCiqNxk+hPHMLvKBjPpOvSdSnYmU1goqrLHWQysmNc=' 
WHERE 
  key_id = '503f8bc4fe234dbafa0e0f447f43a04fe892fa09ac6052eab6f94b60eff25722' 
  AND (
    token = 'WGCiqNxk+hPHMLvKBjPpOvSdSnYmU1goqrLHWQysmNc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )