UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Enr1wgud+03OrQZwTp/mUyzZEluj7q3C36H+915JUgo=' 
WHERE 
  key_id = '684e0e85b5f5a247cf05359cd12395256f677642d23b34581396f75af8dd9389' 
  AND (
    token = 'Enr1wgud+03OrQZwTp/mUyzZEluj7q3C36H+915JUgo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )