UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j8xu4NLzTXlvNXY+bU7EGR/wkw5XjCQnZFHr/mnMmmY=' 
WHERE 
  key_id = '4ecb3aacf99cd1fc455902ab308b6abba7853b5be3a06b39549012e5719f1d6a' 
  AND (
    token = 'j8xu4NLzTXlvNXY+bU7EGR/wkw5XjCQnZFHr/mnMmmY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )