UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '9HMPVcfnme563EEdMtQlNM0ET7aBOex3nfYlJvGITdg=' 
WHERE 
  key_id = '1e0fb03fc09ecedafda60874e5024735b7703905de4b0d7bad2575c040717e76' 
  AND (
    token = '9HMPVcfnme563EEdMtQlNM0ET7aBOex3nfYlJvGITdg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )