UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AiedzvzMUbVdSoaufk9RjdvfWSXzP/F7hUQIb/vtqic=' 
WHERE 
  key_id = '51a363d70f26df1309d421695bdf05fde134a3442093990a31889fef433c710a' 
  AND (
    token = 'AiedzvzMUbVdSoaufk9RjdvfWSXzP/F7hUQIb/vtqic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )