UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '8QQ2y/uA8po93WyADBqEK3S/zo4oibSC7BJRT6Ebl/w=' 
WHERE 
  key_id = 'fbc631873c7bfb988e11952f49fff10ef84229cf311f23abf34d389604746d78' 
  AND (
    token = '8QQ2y/uA8po93WyADBqEK3S/zo4oibSC7BJRT6Ebl/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )