UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ih6GqvXDqWQnWhMjTSaT8tM51H8YgfDENpWLUmEx/do=' 
WHERE 
  key_id = 'ad8ce00967579eaa1a52b803b8996a80a18d803e031714b7d00b9e50c0b93ecb' 
  AND (
    token = 'Ih6GqvXDqWQnWhMjTSaT8tM51H8YgfDENpWLUmEx/do=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00049