UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e46u2Lro99gfC4SbtBd0Spu/Fb+oLRcxAWgKSd6OhQs=' 
WHERE 
  key_id = 'bd858581df20eb5bafb7ab2825cf3ceb21501be4073e9564f7f9a7971e87289a' 
  AND (
    token = 'e46u2Lro99gfC4SbtBd0Spu/Fb+oLRcxAWgKSd6OhQs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )