UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '1NgwR3alTtyMB0ekZv4VEqdY7HQUeJWviRMR6O1wAJE=' 
WHERE 
  key_id = 'fd62dfaecf397c56f1e78334f94d608b4844233ff7b59ee2ae13366b3faa282b' 
  AND (
    token = '1NgwR3alTtyMB0ekZv4VEqdY7HQUeJWviRMR6O1wAJE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )