UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VgAvd4LE11naeqOVPlNKf9uAZUnGN3RbNaneUUYLs8A=' 
WHERE 
  key_id = '936479e709233a65ace5339042a6b08dc972883ce4505f7a7f9bee5df065d79e' 
  AND (
    token = 'VgAvd4LE11naeqOVPlNKf9uAZUnGN3RbNaneUUYLs8A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )