UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R4m9FFFBjPztp8DcnVNG5FdICmYjFgFv1CpXusg/Z2Q=' 
WHERE 
  key_id = 'fb83a1cb1b02606c86fb8d3989e9da251e175158e47855acd44741320d5b580e' 
  AND (
    token = 'R4m9FFFBjPztp8DcnVNG5FdICmYjFgFv1CpXusg/Z2Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )