UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PuCjSsfDCbt9SYYTyQM9e4u36RS5RMCKqBobMgUbjhc=' 
WHERE 
  key_id = '21fa35598770d7f80c6aac7896bf3f52de6e1b785b9673bda4413b1b466b09c3' 
  AND (
    token = 'PuCjSsfDCbt9SYYTyQM9e4u36RS5RMCKqBobMgUbjhc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )