UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sr/VYbNg95403ZHgYKY8dOVyKUbY1HnNRNd0n/fFEQM=' 
WHERE 
  key_id = '852075563f859504da79df58d147eacffa54ae0228a1d728a3581c263e1b5d08' 
  AND (
    token = 'Sr/VYbNg95403ZHgYKY8dOVyKUbY1HnNRNd0n/fFEQM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )