UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MuG5MMbJMM0kjrOOhoqQRGRuMIbPppq+UITco8L6PD8=' 
WHERE 
  key_id = '75e19e4b58994fa1657e8972c90c6e9db8050c9bfc4e50ebec6c39d04689cb90' 
  AND (
    token = 'MuG5MMbJMM0kjrOOhoqQRGRuMIbPppq+UITco8L6PD8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )