UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'un+uTYr7hBZbPhZjxtJHfqT7ov3j2Lud7PY1ryD/7/g=' 
WHERE 
  key_id = '68292112ef42b7f6b56b00785f66f3755d3ea2f0eb28d756ddc53f46efe6f51d' 
  AND (
    token = 'un+uTYr7hBZbPhZjxtJHfqT7ov3j2Lud7PY1ryD/7/g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )