UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PWm19Ty/+WtY4Ni/dvzMqHaX4uN366BnAuUCxj2TGYg=' 
WHERE 
  key_id = '186c6a73a20277a4e0433038b3290e5d39b3a96cfaafbb4a7d5e444e465bc2b2' 
  AND (
    token = 'PWm19Ty/+WtY4Ni/dvzMqHaX4uN366BnAuUCxj2TGYg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )