UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Iyl6v2KddszxcDUyA6sfuIo8UynQcj58Wye8PUyXM7g=' 
WHERE 
  key_id = '6a8c655b32ea42a16746037e3f4128734618b9bedafd353f04681215c5435f47' 
  AND (
    token = 'Iyl6v2KddszxcDUyA6sfuIo8UynQcj58Wye8PUyXM7g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )