UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PuYM5PMTh0SSOJRlYDZKc5/5KsTMPci+v/EdrtnhT28=' 
WHERE 
  key_id = '6e5d028031cf893f1a00619022185f8872f51a160f3451e1c17560c554f73970' 
  AND (
    token = 'PuYM5PMTh0SSOJRlYDZKc5/5KsTMPci+v/EdrtnhT28=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )