UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NvKtqST3K3XcuYF2tbks+zWQ7XBGn+Juaw9Iir6GKyg=' 
WHERE 
  key_id = '38a1591e1820746e6fe675cab744a2797b73d99016596cf4bcf39c95f04cfd68' 
  AND (
    token = 'NvKtqST3K3XcuYF2tbks+zWQ7XBGn+Juaw9Iir6GKyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )