UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NzOzBYYd/KehVZ41N0mns1fPN6XHOrDyIVQWltAIYNc=' 
WHERE 
  key_id = '27893ffb23e5657c651217334bbc4a252f914cab62c6965ede32e3df77016331' 
  AND (
    token = 'NzOzBYYd/KehVZ41N0mns1fPN6XHOrDyIVQWltAIYNc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )