UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sXG2iMwZl/6kDOXm4IASyvgGcgBRhcfLVgZRinvVbB4=' 
WHERE 
  key_id = '35c99be6e6ec70c99270c7221e06b2fe3af1f82c83e3000e3f4d33532e30daa6' 
  AND (
    token = 'sXG2iMwZl/6kDOXm4IASyvgGcgBRhcfLVgZRinvVbB4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )