UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iWRzSEYdGfxyqCG8TOwb8VHyHF8TjysxLuks7Q/Sflc=' 
WHERE 
  key_id = 'a640f4c637f049a9454d7d72b345c56c2d1a640d7c1efc524b457e0615e3819a' 
  AND (
    token = 'iWRzSEYdGfxyqCG8TOwb8VHyHF8TjysxLuks7Q/Sflc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )