UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N43vBsJrTl81Cmaaezv+5BrLf1jWwS5Yvxsr3QgnG1c=' 
WHERE 
  key_id = '874f9f2e0a718a56efab010d2c51e48db6063c257e409ec502c30e13b4396af8' 
  AND (
    token = 'N43vBsJrTl81Cmaaezv+5BrLf1jWwS5Yvxsr3QgnG1c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )