UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6FsOeg6AcMeScNjAkzIK7rsUORAcXfYGloeVEfeUo3E=' 
WHERE 
  key_id = 'e492c5e17a51e84cecc6ff69fdc250414c78e8225601d2afc34bbea216405ce5' 
  AND (
    token = '6FsOeg6AcMeScNjAkzIK7rsUORAcXfYGloeVEfeUo3E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )