UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8uOyHI7Ico94LmxCDN5znwHxzDPtl1chlfli5YzdgP8=' 
WHERE 
  key_id = 'b5819e43077829d7db5fb80d70560df77ea80979b9ca9204f4398494857d5640' 
  AND (
    token = '8uOyHI7Ico94LmxCDN5znwHxzDPtl1chlfli5YzdgP8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00054