UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x31dzdvHGOjtJ2+6eX4dU6nPGCzR8v4ry56Ie+Fb8Es=' 
WHERE 
  key_id = '8239aa03d1d4c91b5125688b78a69f7cb3a423d086ea3e98940b69fa89888d1e' 
  AND (
    token = 'x31dzdvHGOjtJ2+6eX4dU6nPGCzR8v4ry56Ie+Fb8Es=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )