UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'shz77E5Za98Ah89t1dV2vIu/XpbSNpFSvYdZTwdmPzc=' 
WHERE 
  key_id = '3c2051f960478e62284bba58123445629015075debf763e0ce7f5e7607959972' 
  AND (
    token = 'shz77E5Za98Ah89t1dV2vIu/XpbSNpFSvYdZTwdmPzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )