UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MlQhFSzkpoGjWU7zhUQPhMBRO+4hTVHGoqxOLkEzC1U=' 
WHERE 
  key_id = '5a1c695826c177a3787da17acd8b598699bf5393603798567549f670e9bcae60' 
  AND (
    token = 'MlQhFSzkpoGjWU7zhUQPhMBRO+4hTVHGoqxOLkEzC1U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )