UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HWUm4XUs/TXL9pnWkb3d6YG5UtBOcpkKr66nmytDGao=' 
WHERE 
  key_id = '93c67a1435f9335f1ccd4b11e2a369c64a16f5aeda7326dfa2ca37551a7fc398' 
  AND (
    token = 'HWUm4XUs/TXL9pnWkb3d6YG5UtBOcpkKr66nmytDGao=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )