UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cnAkIbAcHYLGXy6D4R/OjZA+i7Xg0kbZuCtCFPvxzTc=' 
WHERE 
  key_id = '51635597bd1015f23e9547c04d0fa5581391192e20f5c08b7afc66d1d82b3ff9' 
  AND (
    token = 'cnAkIbAcHYLGXy6D4R/OjZA+i7Xg0kbZuCtCFPvxzTc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )