UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gYMaUEu7e0Oz/0RCaSmgBCbED+8yq65tZk937du8nF0=' 
WHERE 
  key_id = '50774a7d7441d5106c59a6d25b1fd53c29ace5d934557be661c52726050a2389' 
  AND (
    token = 'gYMaUEu7e0Oz/0RCaSmgBCbED+8yq65tZk937du8nF0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )