UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AvW67KBFYbb8ciQ5yEVo5b4UlRkc4HbM0T3vz4sHfag=' 
WHERE 
  key_id = 'c2e4026685e9263077dfcafb24d15ed687dcebd59af86f91b5e5b01c30510c4a' 
  AND (
    token = 'AvW67KBFYbb8ciQ5yEVo5b4UlRkc4HbM0T3vz4sHfag=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )