UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cS38q5nar+CFF66swN9cOGR2B8F4ff7a6Y7Dz+eq+nc=' 
WHERE 
  key_id = '4a91b3da023afb9e3ebb9d54c69b02b678909f963d4e9e247c7a7d408dcf02f8' 
  AND (
    token = 'cS38q5nar+CFF66swN9cOGR2B8F4ff7a6Y7Dz+eq+nc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )