UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/dFu7ObzWQLkDMu5fw/NEtSVO05oJ4DVmYtQgRKotMg=' 
WHERE 
  key_id = '2d520d2c71b88d7518b0b3c13e4ee11f90e4a1e1ca715860539176fbbaad3208' 
  AND (
    token = '/dFu7ObzWQLkDMu5fw/NEtSVO05oJ4DVmYtQgRKotMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )