UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D5kTIj2m8AkExiXslh9iWTnbiJvuvpODjVntPu+sncc=' 
WHERE 
  key_id = 'a020498c50bcec09cc11b26ceba2a8a71e26b79d7e31948eb5f316a9ae52cbfe' 
  AND (
    token = 'D5kTIj2m8AkExiXslh9iWTnbiJvuvpODjVntPu+sncc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )