UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mqAES4Ci494/WJlOg5th4LpgU7aqG1+YVDD7YtbbuAk=' 
WHERE 
  key_id = '921d21ac6db1fce32bd68af5ce02937ed805d225f970c761fa45d9809f08475c' 
  AND (
    token = 'mqAES4Ci494/WJlOg5th4LpgU7aqG1+YVDD7YtbbuAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )