UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MT83olcmU570JMJhYgYo5aQ1eILUF3y0yagqS3KJq44=' 
WHERE 
  key_id = 'e52b279aa21be0ccd7b418beb043a087b26f4d969d229ded2c5cd17809dc5b52' 
  AND (
    token = 'MT83olcmU570JMJhYgYo5aQ1eILUF3y0yagqS3KJq44=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )