UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UP9UEyVPWgRytcV0buQ16zZFt8rzubkAF3IGeRYkCV4=' 
WHERE 
  key_id = 'b4c5e21773ae186a9628e5f066f0e1b9eb05d5c39b2e3fcab1ea968095987c4a' 
  AND (
    token = 'UP9UEyVPWgRytcV0buQ16zZFt8rzubkAF3IGeRYkCV4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )