UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MAgW0w7Oxpz6Tn5SVSSBJQkaBLgddSNgtw3+5AUkANo=' 
WHERE 
  key_id = '435a16711a20033936c3acf811a2a3fe12184fc8a47d357a60c4a4c6421da4e2' 
  AND (
    token = 'MAgW0w7Oxpz6Tn5SVSSBJQkaBLgddSNgtw3+5AUkANo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )