UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's79XZK3GIN6Cl84R/eGchhVhQzd1pmV4G/m/NrJr0Xk=' 
WHERE 
  key_id = '50d253b4e69763a85379a8a57dae8417e20d15e2b6ddaa32d9b8447ff7f2b2ba' 
  AND (
    token = 's79XZK3GIN6Cl84R/eGchhVhQzd1pmV4G/m/NrJr0Xk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )