UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u4xCZdf7X7hF4ULZeqyYXbLZd3P/tdG88SOP+7sYq8c=' 
WHERE 
  key_id = '75fbd081c6b0ca6921123d8648222f8d1520c83655a6634f6d8ef6deecb8a5f0' 
  AND (
    token = 'u4xCZdf7X7hF4ULZeqyYXbLZd3P/tdG88SOP+7sYq8c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )