UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e6AvddhaqFdw4aFbqdC92zmg5PwBaOim2oFvVO2ipb0=' 
WHERE 
  key_id = '97cbe764fd7b328a95642c217215626963fe7dffe8d97884740761b673ed6cb1' 
  AND (
    token = 'e6AvddhaqFdw4aFbqdC92zmg5PwBaOim2oFvVO2ipb0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )