UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMg9/Q+fbKYjjeAH3W74QAemkOwke8J5Q+tc+sjQLms=' 
WHERE 
  key_id = 'c0906464253ffbc2c04f8cdc596760df297f3a691e4888cb85ebc22650284414' 
  AND (
    token = 'MMg9/Q+fbKYjjeAH3W74QAemkOwke8J5Q+tc+sjQLms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )