UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PvxCOZVF0th6TIKimGXIXIDa5dGgXRXUfG5vKEzZHLo=' 
WHERE 
  key_id = '8a39964aeb6e7cd6c643051bc7b5a108aeaedab02ccb5a7c68f43e5061685b02' 
  AND (
    token = 'PvxCOZVF0th6TIKimGXIXIDa5dGgXRXUfG5vKEzZHLo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )