UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yrJq2crbEilA0ROIXiqyRSkrm7CHeJ9MtwaXdhjhJ64=' 
WHERE 
  key_id = '251b4855ae372a74c5a98954405f2573dfe46c884463c1bc45dd7fb3d0002a6a' 
  AND (
    token = 'yrJq2crbEilA0ROIXiqyRSkrm7CHeJ9MtwaXdhjhJ64=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )