UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//kKTA+QSDXXsqeH5VF18jwnwSzaXrJdzrewhS/eSbc=' 
WHERE 
  key_id = '2c57264c1268b63cde6953637064bf1e6f23982b6fa29cd0175e5049c9365e3a' 
  AND (
    token = '//kKTA+QSDXXsqeH5VF18jwnwSzaXrJdzrewhS/eSbc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )