UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NQdDA00pz5LYmsLBUWfa9vJY/hEBBzAYKxZgaR2UcsA=' 
WHERE 
  key_id = '21ca3a938b2228d2ea6754cc42d3c198acbc8bd2d6cdb33848c5ad5069144ccc' 
  AND (
    token = 'NQdDA00pz5LYmsLBUWfa9vJY/hEBBzAYKxZgaR2UcsA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )