UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cu8UonmYnXFUohHYCNCMCm1dasd8oRPqqTQ9/A+L2zs=' 
WHERE 
  key_id = 'a51d9c57b4d9a50c17653315b95a179d0ce5806ae645c2b21728b66ad8764fc3' 
  AND (
    token = 'Cu8UonmYnXFUohHYCNCMCm1dasd8oRPqqTQ9/A+L2zs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )