UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y2gDc7Q/z1abCnEEij4GAGaW7rr4hMx4RZ+pPWk8Cm0=' 
WHERE 
  key_id = '40838ebfdf1574ac83fc05a19e9e1fae15bb09d3a348b183eebe9434f7dcdb88' 
  AND (
    token = 'y2gDc7Q/z1abCnEEij4GAGaW7rr4hMx4RZ+pPWk8Cm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )