UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51M0aKA7zR2Xsd0CKc37fXfGTQp9iMZEQY0/6F34YyA=' 
WHERE 
  key_id = 'b0c09a828726230d63b5ea7a6675484516f2d092db68f2cdf4e1051242778826' 
  AND (
    token = '51M0aKA7zR2Xsd0CKc37fXfGTQp9iMZEQY0/6F34YyA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )