UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MiMVk5ct7+4HjDHAr/m7a3NA8L+Ls20O9p2s/fByZgc=' 
WHERE 
  key_id = '6ec17f71b57796a01701662b2b8dbdc0fd6b51620ee806d244abb1c5af3a5d8a' 
  AND (
    token = 'MiMVk5ct7+4HjDHAr/m7a3NA8L+Ls20O9p2s/fByZgc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )