UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G4Z56/ICQg8UUpsf3Ra6GlqbNDPD2XBOglvxAP7Cnf4=' 
WHERE 
  key_id = '784476bc9b16f55f4f6dae3a4b0394b4c30e1f2753187bba5a99ddf0f42d6bf2' 
  AND (
    token = 'G4Z56/ICQg8UUpsf3Ra6GlqbNDPD2XBOglvxAP7Cnf4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )