UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zDFti5ZXldt9UTiMqSbEAZ1fdjQhp9M3z+j0NdS701k=' 
WHERE 
  key_id = '27a5ed579008cbbfc85f6948e28fb6487d20cc797d70cffc1d2f6858749844e4' 
  AND (
    token = 'zDFti5ZXldt9UTiMqSbEAZ1fdjQhp9M3z+j0NdS701k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )