UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MlegNah/i8f0g1MCMowmVMaSk7dX1SWzUmYYJZXQ9jw=' 
WHERE 
  key_id = '5b762a8baa599d1a2fef1c352801bad9472e54045fe90ba6e4bf2e2748382bfd' 
  AND (
    token = 'MlegNah/i8f0g1MCMowmVMaSk7dX1SWzUmYYJZXQ9jw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )