UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'POtS1rSyxFLt5GUluJz+8KErUbhTKXG2ncLQ7ICDR2k=' 
WHERE 
  key_id = 'c0453d37b12ede6d2e30ab36796379deb6b1058a0ebdd276e8e146cef6d233b4' 
  AND (
    token = 'POtS1rSyxFLt5GUluJz+8KErUbhTKXG2ncLQ7ICDR2k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )