UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gmcAsW2EckKwbzRY7I/1uBYG0YeIG41CZDQ3kzNDj/4=' 
WHERE 
  key_id = '4abb161bec42c3012e5878bf3a07242bcdfd7ba4b74830f0572e8a7037d49de6' 
  AND (
    token = 'gmcAsW2EckKwbzRY7I/1uBYG0YeIG41CZDQ3kzNDj/4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )