UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w5flBWTBEo1vki/apOqfmmXmCsUawNnMsGyQSOGX4SE=' 
WHERE 
  key_id = '5b6d6e2ff03291bac3cbbbfa44440a61baa5b1d87de05181448f1f0c48ce92ca' 
  AND (
    token = 'w5flBWTBEo1vki/apOqfmmXmCsUawNnMsGyQSOGX4SE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )