UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gEtvXJxIefE6/TeDc4wHdg1DiwaKyyrCE04ZpznmBMY=' 
WHERE 
  key_id = 'e251c99272649d5a66739cceec0341f28410942310b3e47e2d5efc6625264589' 
  AND (
    token = 'gEtvXJxIefE6/TeDc4wHdg1DiwaKyyrCE04ZpznmBMY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )