UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'fn06jEih+4G0xW8dw923kV7S2qumTUj219HzPi+pebo=' 
WHERE 
  key_id = '4b4c5b52b2c2b6c449a6c13579b78f0e73dd008da0093ee4aeb449ade1a9ac9f' 
  AND (
    token = 'fn06jEih+4G0xW8dw923kV7S2qumTUj219HzPi+pebo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )