UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PG+2D1Faw82wPdFqZLyCyGJPFs+CRnh5padmBZDfkt4=' 
WHERE 
  key_id = '3940e4a1217ddedbc63c5fa6c16de0125869d8fb175a53680db53bdf6be6fd2d' 
  AND (
    token = 'PG+2D1Faw82wPdFqZLyCyGJPFs+CRnh5padmBZDfkt4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )