UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DrQw8xO5saBjn9rP85/PPWKqHTyRL9brCPPfKgscS90=' 
WHERE 
  key_id = '51abc3b14ec9bb2c19ff191fffb6ffdcedc4fbe020b567d018d4272c8de34465' 
  AND (
    token = 'DrQw8xO5saBjn9rP85/PPWKqHTyRL9brCPPfKgscS90=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )