UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a3KERzLF1L3Pc8HHEc69auDqmlxhiFtu5V1az/v0UMA=' 
WHERE 
  key_id = '791ec1e8f305824b1947b90d097243a64132f790cd1a2d7efe1cdf8eb23eb567' 
  AND (
    token = 'a3KERzLF1L3Pc8HHEc69auDqmlxhiFtu5V1az/v0UMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )