UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GgrzTfIc2WhEFFGVKLuAp1UdIN8PEMK1uCK4p0iMdUc=' 
WHERE 
  key_id = '50afad8dbe88874f21a2ead1d3092c640c814328606ed58601b4c2f4a794f318' 
  AND (
    token = 'GgrzTfIc2WhEFFGVKLuAp1UdIN8PEMK1uCK4p0iMdUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )